31276830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 84326400

約数和(自身を除く): 53049570

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 169, 186, 195, 199, 310, 338, 390, 398, 403, 465, 507, 597, 806, 845, 930, 995, 1014, 1194, 1209, 1690, 1990, 2015, 2418, 2535, 2587, 2985, 4030, 5070, 5174, 5239, 5970, 6045, 6169, 7761, 10478, 12090, 12338, 12935, 15522, 15717, 18507, 25870, 26195, 30845, 31434, 33631, 37014, 38805, 52390, 61690, 67262, 77610, 78585, 80197, 92535, 100893, 157170, 160394, 168155, 185070, 201786, 240591, 336310, 400985, 481182, 504465, 801970, 1008930, 1042561, 1202955, 2085122, 2405910, 3127683, 5212805, 6255366, 10425610, 15638415, 31276830]

約数ペア:

[(1, 31276830), (2, 15638415), (3, 10425610), (5, 6255366), (6, 5212805), (10, 3127683), (13, 2405910), (15, 2085122), (26, 1202955), (30, 1042561), (31, 1008930), (39, 801970), (62, 504465), (65, 481182), (78, 400985), (93, 336310), (130, 240591), (155, 201786), (169, 185070), (186, 168155), (195, 160394), (199, 157170), (310, 100893), (338, 92535), (390, 80197), (398, 78585), (403, 77610), (465, 67262), (507, 61690), (597, 52390), (806, 38805), (845, 37014), (930, 33631), (995, 31434), (1014, 30845), (1194, 26195), (1209, 25870), (1690, 18507), (1990, 15717), (2015, 15522), (2418, 12935), (2535, 12338), (2587, 12090), (2985, 10478), (4030, 7761), (5070, 6169), (5174, 6045), (5239, 5970)]