31538910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 88833024

約数和(自身を除く): 57294114

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 67, 71, 78, 85, 102, 130, 134, 142, 170, 195, 201, 213, 221, 255, 335, 355, 390, 402, 426, 442, 510, 663, 670, 710, 871, 923, 1005, 1065, 1105, 1139, 1207, 1326, 1742, 1846, 2010, 2130, 2210, 2278, 2414, 2613, 2769, 3315, 3417, 3621, 4355, 4615, 4757, 5226, 5538, 5695, 6035, 6630, 6834, 7242, 8710, 9230, 9514, 11390, 12070, 13065, 13845, 14271, 14807, 15691, 17085, 18105, 23785, 26130, 27690, 28542, 29614, 31382, 34170, 36210, 44421, 47073, 47570, 61841, 71355, 74035, 78455, 80869, 88842, 94146, 123682, 142710, 148070, 156910, 161738, 185523, 222105, 235365, 242607, 309205, 371046, 404345, 444210, 470730, 485214, 618410, 808690, 927615, 1051297, 1213035, 1855230, 2102594, 2426070, 3153891, 5256485, 6307782, 10512970, 15769455, 31538910]

約数ペア:

[(1, 31538910), (2, 15769455), (3, 10512970), (5, 6307782), (6, 5256485), (10, 3153891), (13, 2426070), (15, 2102594), (17, 1855230), (26, 1213035), (30, 1051297), (34, 927615), (39, 808690), (51, 618410), (65, 485214), (67, 470730), (71, 444210), (78, 404345), (85, 371046), (102, 309205), (130, 242607), (134, 235365), (142, 222105), (170, 185523), (195, 161738), (201, 156910), (213, 148070), (221, 142710), (255, 123682), (335, 94146), (355, 88842), (390, 80869), (402, 78455), (426, 74035), (442, 71355), (510, 61841), (663, 47570), (670, 47073), (710, 44421), (871, 36210), (923, 34170), (1005, 31382), (1065, 29614), (1105, 28542), (1139, 27690), (1207, 26130), (1326, 23785), (1742, 18105), (1846, 17085), (2010, 15691), (2130, 14807), (2210, 14271), (2278, 13845), (2414, 13065), (2613, 12070), (2769, 11390), (3315, 9514), (3417, 9230), (3621, 8710), (4355, 7242), (4615, 6834), (4757, 6630), (5226, 6035), (5538, 5695)]