31373550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 94243968

約数和(自身を除く): 62870418

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 31, 39, 45, 50, 62, 65, 75, 78, 90, 93, 117, 130, 150, 155, 173, 186, 195, 225, 234, 279, 310, 325, 346, 390, 403, 450, 465, 519, 558, 585, 650, 775, 806, 865, 930, 975, 1038, 1170, 1209, 1395, 1550, 1557, 1730, 1950, 2015, 2249, 2325, 2418, 2595, 2790, 2925, 3114, 3627, 4030, 4325, 4498, 4650, 5190, 5363, 5850, 6045, 6747, 6975, 7254, 7785, 8650, 10075, 10726, 11245, 12090, 12975, 13494, 13950, 15570, 16089, 18135, 20150, 20241, 22490, 25950, 26815, 30225, 32178, 33735, 36270, 38925, 40482, 48267, 53630, 56225, 60450, 67470, 69719, 77850, 80445, 90675, 96534, 101205, 112450, 134075, 139438, 160890, 168675, 181350, 202410, 209157, 241335, 268150, 337350, 348595, 402225, 418314, 482670, 506025, 627471, 697190, 804450, 1012050, 1045785, 1206675, 1254942, 1742975, 2091570, 2413350, 3137355, 3485950, 5228925, 6274710, 10457850, 15686775, 31373550]

約数ペア:

[(1, 31373550), (2, 15686775), (3, 10457850), (5, 6274710), (6, 5228925), (9, 3485950), (10, 3137355), (13, 2413350), (15, 2091570), (18, 1742975), (25, 1254942), (26, 1206675), (30, 1045785), (31, 1012050), (39, 804450), (45, 697190), (50, 627471), (62, 506025), (65, 482670), (75, 418314), (78, 402225), (90, 348595), (93, 337350), (117, 268150), (130, 241335), (150, 209157), (155, 202410), (173, 181350), (186, 168675), (195, 160890), (225, 139438), (234, 134075), (279, 112450), (310, 101205), (325, 96534), (346, 90675), (390, 80445), (403, 77850), (450, 69719), (465, 67470), (519, 60450), (558, 56225), (585, 53630), (650, 48267), (775, 40482), (806, 38925), (865, 36270), (930, 33735), (975, 32178), (1038, 30225), (1170, 26815), (1209, 25950), (1395, 22490), (1550, 20241), (1557, 20150), (1730, 18135), (1950, 16089), (2015, 15570), (2249, 13950), (2325, 13494), (2418, 12975), (2595, 12090), (2790, 11245), (2925, 10726), (3114, 10075), (3627, 8650), (4030, 7785), (4325, 7254), (4498, 6975), (4650, 6747), (5190, 6045), (5363, 5850)]