820315440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3463}}^1$

素因数の和:3536

約数の個数: 240

約数和(自身を含む): 3216365568

約数和(自身を除く): 2396050128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 112, 120, 126, 140, 141, 144, 168, 180, 188, 210, 235, 240, 252, 280, 282, 315, 329, 336, 360, 376, 420, 423, 470, 504, 560, 564, 630, 658, 705, 720, 752, 840, 846, 940, 987, 1008, 1128, 1260, 1316, 1410, 1645, 1680, 1692, 1880, 1974, 2115, 2256, 2520, 2632, 2820, 2961, 3290, 3384, 3463, 3760, 3948, 4230, 4935, 5040, 5264, 5640, 5922, 6580, 6768, 6926, 7896, 8460, 9870, 10389, 11280, 11844, 13160, 13852, 14805, 15792, 16920, 17315, 19740, 20778, 23688, 24241, 26320, 27704, 29610, 31167, 33840, 34630, 39480, 41556, 47376, 48482, 51945, 55408, 59220, 62334, 69260, 72723, 78960, 83112, 96964, 103890, 118440, 121205, 124668, 138520, 145446, 155835, 162761, 166224, 193928, 207780, 218169, 236880, 242410, 249336, 277040, 290892, 311670, 325522, 363615, 387856, 415560, 436338, 484820, 488283, 498672, 581784, 623340, 651044, 727230, 813805, 831120, 872676, 969640, 976566, 1090845, 1139327, 1163568, 1246680, 1302088, 1454460, 1464849, 1627610, 1745352, 1939280, 1953132, 2181690, 2278654, 2441415, 2493360, 2604176, 2908920, 2929698, 3255220, 3417981, 3490704, 3906264, 4363380, 4557308, 4882830, 5696635, 5817840, 5859396, 6510440, 6835962, 7324245, 7812528, 8726760, 9114616, 9765660, 10253943, 11393270, 11718792, 13020880, 13671924, 14648490, 17089905, 17453520, 18229232, 19531320, 20507886, 22786540, 23437584, 27343848, 29296980, 34179810, 39062640, 41015772, 45573080, 51269715, 54687696, 58593960, 68359620, 82031544, 91146160, 102539430, 117187920, 136719240, 164063088, 205078860, 273438480, 410157720, 820315440]

約数ペア:

[(1, 820315440), (2, 410157720), (3, 273438480), (4, 205078860), (5, 164063088), (6, 136719240), (7, 117187920), (8, 102539430), (9, 91146160), (10, 82031544), (12, 68359620), (14, 58593960), (15, 54687696), (16, 51269715), (18, 45573080), (20, 41015772), (21, 39062640), (24, 34179810), (28, 29296980), (30, 27343848), (35, 23437584), (36, 22786540), (40, 20507886), (42, 19531320), (45, 18229232), (47, 17453520), (48, 17089905), (56, 14648490), (60, 13671924), (63, 13020880), (70, 11718792), (72, 11393270), (80, 10253943), (84, 9765660), (90, 9114616), (94, 8726760), (105, 7812528), (112, 7324245), (120, 6835962), (126, 6510440), (140, 5859396), (141, 5817840), (144, 5696635), (168, 4882830), (180, 4557308), (188, 4363380), (210, 3906264), (235, 3490704), (240, 3417981), (252, 3255220), (280, 2929698), (282, 2908920), (315, 2604176), (329, 2493360), (336, 2441415), (360, 2278654), (376, 2181690), (420, 1953132), (423, 1939280), (470, 1745352), (504, 1627610), (560, 1464849), (564, 1454460), (630, 1302088), (658, 1246680), (705, 1163568), (720, 1139327), (752, 1090845), (840, 976566), (846, 969640), (940, 872676), (987, 831120), (1008, 813805), (1128, 727230), (1260, 651044), (1316, 623340), (1410, 581784), (1645, 498672), (1680, 488283), (1692, 484820), (1880, 436338), (1974, 415560), (2115, 387856), (2256, 363615), (2520, 325522), (2632, 311670), (2820, 290892), (2961, 277040), (3290, 249336), (3384, 242410), (3463, 236880), (3760, 218169), (3948, 207780), (4230, 193928), (4935, 166224), (5040, 162761), (5264, 155835), (5640, 145446), (5922, 138520), (6580, 124668), (6768, 121205), (6926, 118440), (7896, 103890), (8460, 96964), (9870, 83112), (10389, 78960), (11280, 72723), (11844, 69260), (13160, 62334), (13852, 59220), (14805, 55408), (15792, 51945), (16920, 48482), (17315, 47376), (19740, 41556), (20778, 39480), (23688, 34630), (24241, 33840), (26320, 31167), (27704, 29610)]