31748340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 100348416

約数和(自身を除く): 68600076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 101, 124, 130, 155, 156, 169, 186, 195, 202, 260, 303, 310, 338, 372, 390, 403, 404, 465, 505, 507, 606, 620, 676, 780, 806, 845, 930, 1010, 1014, 1209, 1212, 1313, 1515, 1612, 1690, 1860, 2015, 2020, 2028, 2418, 2535, 2626, 3030, 3131, 3380, 3939, 4030, 4836, 5070, 5239, 5252, 6045, 6060, 6262, 6565, 7878, 8060, 9393, 10140, 10478, 12090, 12524, 13130, 15655, 15717, 15756, 17069, 18786, 19695, 20956, 24180, 26195, 26260, 31310, 31434, 34138, 37572, 39390, 40703, 46965, 51207, 52390, 62620, 62868, 68276, 78585, 78780, 81406, 85345, 93930, 102414, 104780, 122109, 157170, 162812, 170690, 187860, 203515, 204828, 244218, 256035, 314340, 341380, 407030, 488436, 512070, 529139, 610545, 814060, 1024140, 1058278, 1221090, 1587417, 2116556, 2442180, 2645695, 3174834, 5291390, 6349668, 7937085, 10582780, 15874170, 31748340]

約数ペア:

[(1, 31748340), (2, 15874170), (3, 10582780), (4, 7937085), (5, 6349668), (6, 5291390), (10, 3174834), (12, 2645695), (13, 2442180), (15, 2116556), (20, 1587417), (26, 1221090), (30, 1058278), (31, 1024140), (39, 814060), (52, 610545), (60, 529139), (62, 512070), (65, 488436), (78, 407030), (93, 341380), (101, 314340), (124, 256035), (130, 244218), (155, 204828), (156, 203515), (169, 187860), (186, 170690), (195, 162812), (202, 157170), (260, 122109), (303, 104780), (310, 102414), (338, 93930), (372, 85345), (390, 81406), (403, 78780), (404, 78585), (465, 68276), (505, 62868), (507, 62620), (606, 52390), (620, 51207), (676, 46965), (780, 40703), (806, 39390), (845, 37572), (930, 34138), (1010, 31434), (1014, 31310), (1209, 26260), (1212, 26195), (1313, 24180), (1515, 20956), (1612, 19695), (1690, 18786), (1860, 17069), (2015, 15756), (2020, 15717), (2028, 15655), (2418, 13130), (2535, 12524), (2626, 12090), (3030, 10478), (3131, 10140), (3380, 9393), (3939, 8060), (4030, 7878), (4836, 6565), (5070, 6262), (5239, 6060), (5252, 6045)]