91228280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 247665600

約数和(自身を除く): 156437320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 41, 44, 52, 55, 65, 82, 88, 104, 110, 130, 143, 164, 205, 220, 260, 286, 328, 389, 410, 440, 451, 520, 533, 572, 715, 778, 820, 902, 1066, 1144, 1430, 1556, 1640, 1804, 1945, 2132, 2255, 2665, 2860, 3112, 3608, 3890, 4264, 4279, 4510, 5057, 5330, 5720, 5863, 7780, 8558, 9020, 10114, 10660, 11726, 15560, 15949, 17116, 18040, 20228, 21320, 21395, 23452, 25285, 29315, 31898, 34232, 40456, 42790, 46904, 50570, 55627, 58630, 63796, 79745, 85580, 101140, 111254, 117260, 127592, 159490, 171160, 175439, 202280, 207337, 222508, 234520, 278135, 318980, 350878, 414674, 445016, 556270, 637960, 701756, 829348, 877195, 1036685, 1112540, 1403512, 1658696, 1754390, 2073370, 2225080, 2280707, 3508780, 4146740, 4561414, 7017560, 8293480, 9122828, 11403535, 18245656, 22807070, 45614140, 91228280]

約数ペア:

[(1, 91228280), (2, 45614140), (4, 22807070), (5, 18245656), (8, 11403535), (10, 9122828), (11, 8293480), (13, 7017560), (20, 4561414), (22, 4146740), (26, 3508780), (40, 2280707), (41, 2225080), (44, 2073370), (52, 1754390), (55, 1658696), (65, 1403512), (82, 1112540), (88, 1036685), (104, 877195), (110, 829348), (130, 701756), (143, 637960), (164, 556270), (205, 445016), (220, 414674), (260, 350878), (286, 318980), (328, 278135), (389, 234520), (410, 222508), (440, 207337), (451, 202280), (520, 175439), (533, 171160), (572, 159490), (715, 127592), (778, 117260), (820, 111254), (902, 101140), (1066, 85580), (1144, 79745), (1430, 63796), (1556, 58630), (1640, 55627), (1804, 50570), (1945, 46904), (2132, 42790), (2255, 40456), (2665, 34232), (2860, 31898), (3112, 29315), (3608, 25285), (3890, 23452), (4264, 21395), (4279, 21320), (4510, 20228), (5057, 18040), (5330, 17116), (5720, 15949), (5863, 15560), (7780, 11726), (8558, 10660), (9020, 10114)]