2641551780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{8243}}^1$

素因数の和:8378

約数の個数: 144

約数和(自身を含む): 8683899840

約数和(自身を除く): 6042348060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 196, 210, 218, 245, 294, 327, 420, 436, 490, 545, 588, 654, 735, 763, 980, 1090, 1308, 1470, 1526, 1635, 2180, 2289, 2940, 3052, 3270, 3815, 4578, 5341, 6540, 7630, 8243, 9156, 10682, 11445, 15260, 16023, 16486, 21364, 22890, 24729, 26705, 32046, 32972, 41215, 45780, 49458, 53410, 57701, 64092, 80115, 82430, 98916, 106820, 115402, 123645, 160230, 164860, 173103, 230804, 247290, 288505, 320460, 346206, 403907, 494580, 577010, 692412, 807814, 865515, 898487, 1154020, 1211721, 1615628, 1731030, 1796974, 2019535, 2423442, 2695461, 3462060, 3593948, 4039070, 4492435, 4846884, 5390922, 6058605, 6289409, 8078140, 8984870, 10781844, 12117210, 12578818, 13477305, 17969740, 18868227, 24234420, 25157636, 26954610, 31447045, 37736454, 44025863, 53909220, 62894090, 75472908, 88051726, 94341135, 125788180, 132077589, 176103452, 188682270, 220129315, 264155178, 377364540, 440258630, 528310356, 660387945, 880517260, 1320775890, 2641551780]

約数ペア:

[(1, 2641551780), (2, 1320775890), (3, 880517260), (4, 660387945), (5, 528310356), (6, 440258630), (7, 377364540), (10, 264155178), (12, 220129315), (14, 188682270), (15, 176103452), (20, 132077589), (21, 125788180), (28, 94341135), (30, 88051726), (35, 75472908), (42, 62894090), (49, 53909220), (60, 44025863), (70, 37736454), (84, 31447045), (98, 26954610), (105, 25157636), (109, 24234420), (140, 18868227), (147, 17969740), (196, 13477305), (210, 12578818), (218, 12117210), (245, 10781844), (294, 8984870), (327, 8078140), (420, 6289409), (436, 6058605), (490, 5390922), (545, 4846884), (588, 4492435), (654, 4039070), (735, 3593948), (763, 3462060), (980, 2695461), (1090, 2423442), (1308, 2019535), (1470, 1796974), (1526, 1731030), (1635, 1615628), (2180, 1211721), (2289, 1154020), (2940, 898487), (3052, 865515), (3270, 807814), (3815, 692412), (4578, 577010), (5341, 494580), (6540, 403907), (7630, 346206), (8243, 320460), (9156, 288505), (10682, 247290), (11445, 230804), (15260, 173103), (16023, 164860), (16486, 160230), (21364, 123645), (22890, 115402), (24729, 106820), (26705, 98916), (32046, 82430), (32972, 80115), (41215, 64092), (45780, 57701), (49458, 53410)]