21681866640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{44657}}^1$

素因数の和:44714

約数の個数: 240

約数和(自身を含む): 81601955712

約数和(自身を除く): 59920089072

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, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 289, 336, 340, 357, 408, 420, 476, 510, 560, 578, 595, 680, 714, 816, 840, 867, 952, 1020, 1156, 1190, 1360, 1428, 1445, 1680, 1734, 1785, 1904, 2023, 2040, 2312, 2380, 2856, 2890, 3468, 3570, 4046, 4080, 4335, 4624, 4760, 5712, 5780, 6069, 6936, 7140, 8092, 8670, 9520, 10115, 11560, 12138, 13872, 14280, 16184, 17340, 20230, 23120, 24276, 28560, 30345, 32368, 34680, 40460, 44657, 48552, 60690, 69360, 80920, 89314, 97104, 121380, 133971, 161840, 178628, 223285, 242760, 267942, 312599, 357256, 446570, 485520, 535884, 625198, 669855, 714512, 759169, 893140, 937797, 1071768, 1250396, 1339710, 1518338, 1562995, 1786280, 1875594, 2143536, 2277507, 2500792, 2679420, 3036676, 3125990, 3572560, 3751188, 3795845, 4555014, 4688985, 5001584, 5314183, 5358840, 6073352, 6251980, 7502376, 7591690, 9110028, 9377970, 10628366, 10717680, 11387535, 12146704, 12503960, 12905873, 15004752, 15183380, 15942549, 18220056, 18755940, 21256732, 22775070, 25007920, 25811746, 26570915, 30366760, 31885098, 36440112, 37511880, 38717619, 42513464, 45550140, 51623492, 53141830, 60733520, 63770196, 64529365, 75023760, 77435238, 79712745, 85026928, 90341111, 91100280, 103246984, 106283660, 127540392, 129058730, 154870476, 159425490, 180682222, 182200560, 193588095, 206493968, 212567320, 255080784, 258117460, 271023333, 309740952, 318850980, 361364444, 387176190, 425134640, 451705555, 516234920, 542046666, 619481904, 637701960, 722728888, 774352380, 903411110, 1032469840, 1084093332, 1275403920, 1355116665, 1445457776, 1548704760, 1806822220, 2168186664, 2710233330, 3097409520, 3613644440, 4336373328, 5420466660, 7227288880, 10840933320, 21681866640]

約数ペア:

[(1, 21681866640), (2, 10840933320), (3, 7227288880), (4, 5420466660), (5, 4336373328), (6, 3613644440), (7, 3097409520), (8, 2710233330), (10, 2168186664), (12, 1806822220), (14, 1548704760), (15, 1445457776), (16, 1355116665), (17, 1275403920), (20, 1084093332), (21, 1032469840), (24, 903411110), (28, 774352380), (30, 722728888), (34, 637701960), (35, 619481904), (40, 542046666), (42, 516234920), (48, 451705555), (51, 425134640), (56, 387176190), (60, 361364444), (68, 318850980), (70, 309740952), (80, 271023333), (84, 258117460), (85, 255080784), (102, 212567320), (105, 206493968), (112, 193588095), (119, 182200560), (120, 180682222), (136, 159425490), (140, 154870476), (168, 129058730), (170, 127540392), (204, 106283660), (210, 103246984), (238, 91100280), (240, 90341111), (255, 85026928), (272, 79712745), (280, 77435238), (289, 75023760), (336, 64529365), (340, 63770196), (357, 60733520), (408, 53141830), (420, 51623492), (476, 45550140), (510, 42513464), (560, 38717619), (578, 37511880), (595, 36440112), (680, 31885098), (714, 30366760), (816, 26570915), (840, 25811746), (867, 25007920), (952, 22775070), (1020, 21256732), (1156, 18755940), (1190, 18220056), (1360, 15942549), (1428, 15183380), (1445, 15004752), (1680, 12905873), (1734, 12503960), (1785, 12146704), (1904, 11387535), (2023, 10717680), (2040, 10628366), (2312, 9377970), (2380, 9110028), (2856, 7591690), (2890, 7502376), (3468, 6251980), (3570, 6073352), (4046, 5358840), (4080, 5314183), (4335, 5001584), (4624, 4688985), (4760, 4555014), (5712, 3795845), (5780, 3751188), (6069, 3572560), (6936, 3125990), (7140, 3036676), (8092, 2679420), (8670, 2500792), (9520, 2277507), (10115, 2143536), (11560, 1875594), (12138, 1786280), (13872, 1562995), (14280, 1518338), (16184, 1339710), (17340, 1250396), (20230, 1071768), (23120, 937797), (24276, 893140), (28560, 759169), (30345, 714512), (32368, 669855), (34680, 625198), (40460, 535884), (44657, 485520), (48552, 446570), (60690, 357256), (69360, 312599), (80920, 267942), (89314, 242760), (97104, 223285), (121380, 178628), (133971, 161840)]