638515920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:402

約数の個数: 320

約数和(自身を含む): 2434129920

約数和(自身を除く): 1795614000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 79, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 158, 168, 170, 204, 210, 237, 238, 240, 255, 272, 280, 283, 316, 336, 340, 357, 395, 408, 420, 474, 476, 510, 553, 560, 566, 595, 632, 680, 714, 790, 816, 840, 849, 948, 952, 1020, 1106, 1132, 1185, 1190, 1264, 1343, 1360, 1415, 1428, 1580, 1659, 1680, 1698, 1785, 1896, 1904, 1981, 2040, 2212, 2264, 2370, 2380, 2686, 2765, 2830, 2856, 3160, 3318, 3396, 3570, 3792, 3962, 4029, 4080, 4245, 4424, 4528, 4740, 4760, 4811, 5372, 5530, 5660, 5712, 5943, 6320, 6636, 6715, 6792, 7140, 7924, 8058, 8295, 8490, 8848, 9401, 9480, 9520, 9622, 9905, 10744, 11060, 11320, 11886, 13272, 13430, 13584, 14280, 14433, 15848, 16116, 16590, 16980, 18802, 18960, 19244, 19810, 20145, 21488, 22120, 22357, 22640, 23772, 24055, 26544, 26860, 28203, 28560, 28866, 29715, 31696, 32232, 33180, 33677, 33960, 37604, 38488, 39620, 40290, 44240, 44714, 47005, 47544, 48110, 53720, 56406, 57732, 59430, 64464, 66360, 67071, 67354, 67920, 72165, 75208, 76976, 79240, 80580, 89428, 94010, 95088, 96220, 101031, 107440, 111785, 112812, 115464, 118860, 132720, 134142, 134708, 141015, 144330, 150416, 156499, 158480, 161160, 168385, 178856, 188020, 192440, 202062, 223570, 225624, 230928, 237720, 268284, 269416, 282030, 288660, 312998, 322320, 335355, 336770, 357712, 376040, 380069, 384880, 404124, 447140, 451248, 469497, 475440, 505155, 536568, 538832, 564060, 577320, 625996, 670710, 673540, 752080, 760138, 782495, 808248, 894280, 938994, 1010310, 1073136, 1128120, 1140207, 1154640, 1251992, 1341420, 1347080, 1520276, 1564990, 1616496, 1788560, 1877988, 1900345, 2020620, 2256240, 2280414, 2347485, 2503984, 2660483, 2682840, 2694160, 3040552, 3129980, 3755976, 3800690, 4041240, 4560828, 4694970, 5320966, 5365680, 5701035, 6081104, 6259960, 7511952, 7601380, 7981449, 8082480, 9121656, 9389940, 10641932, 11402070, 12519920, 13302415, 15202760, 15962898, 18243312, 18779880, 21283864, 22804140, 26604830, 30405520, 31925796, 37559760, 39907245, 42567728, 45608280, 53209660, 63851592, 79814490, 91216560, 106419320, 127703184, 159628980, 212838640, 319257960, 638515920]

約数ペア:

[(1, 638515920), (2, 319257960), (3, 212838640), (4, 159628980), (5, 127703184), (6, 106419320), (7, 91216560), (8, 79814490), (10, 63851592), (12, 53209660), (14, 45608280), (15, 42567728), (16, 39907245), (17, 37559760), (20, 31925796), (21, 30405520), (24, 26604830), (28, 22804140), (30, 21283864), (34, 18779880), (35, 18243312), (40, 15962898), (42, 15202760), (48, 13302415), (51, 12519920), (56, 11402070), (60, 10641932), (68, 9389940), (70, 9121656), (79, 8082480), (80, 7981449), (84, 7601380), (85, 7511952), (102, 6259960), (105, 6081104), (112, 5701035), (119, 5365680), (120, 5320966), (136, 4694970), (140, 4560828), (158, 4041240), (168, 3800690), (170, 3755976), (204, 3129980), (210, 3040552), (237, 2694160), (238, 2682840), (240, 2660483), (255, 2503984), (272, 2347485), (280, 2280414), (283, 2256240), (316, 2020620), (336, 1900345), (340, 1877988), (357, 1788560), (395, 1616496), (408, 1564990), (420, 1520276), (474, 1347080), (476, 1341420), (510, 1251992), (553, 1154640), (560, 1140207), (566, 1128120), (595, 1073136), (632, 1010310), (680, 938994), (714, 894280), (790, 808248), (816, 782495), (840, 760138), (849, 752080), (948, 673540), (952, 670710), (1020, 625996), (1106, 577320), (1132, 564060), (1185, 538832), (1190, 536568), (1264, 505155), (1343, 475440), (1360, 469497), (1415, 451248), (1428, 447140), (1580, 404124), (1659, 384880), (1680, 380069), (1698, 376040), (1785, 357712), (1896, 336770), (1904, 335355), (1981, 322320), (2040, 312998), (2212, 288660), (2264, 282030), (2370, 269416), (2380, 268284), (2686, 237720), (2765, 230928), (2830, 225624), (2856, 223570), (3160, 202062), (3318, 192440), (3396, 188020), (3570, 178856), (3792, 168385), (3962, 161160), (4029, 158480), (4080, 156499), (4245, 150416), (4424, 144330), (4528, 141015), (4740, 134708), (4760, 134142), (4811, 132720), (5372, 118860), (5530, 115464), (5660, 112812), (5712, 111785), (5943, 107440), (6320, 101031), (6636, 96220), (6715, 95088), (6792, 94010), (7140, 89428), (7924, 80580), (8058, 79240), (8295, 76976), (8490, 75208), (8848, 72165), (9401, 67920), (9480, 67354), (9520, 67071), (9622, 66360), (9905, 64464), (10744, 59430), (11060, 57732), (11320, 56406), (11886, 53720), (13272, 48110), (13430, 47544), (13584, 47005), (14280, 44714), (14433, 44240), (15848, 40290), (16116, 39620), (16590, 38488), (16980, 37604), (18802, 33960), (18960, 33677), (19244, 33180), (19810, 32232), (20145, 31696), (21488, 29715), (22120, 28866), (22357, 28560), (22640, 28203), (23772, 26860), (24055, 26544)]