31506540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1359

約数の個数: 96

約数和(自身を含む): 98144256

約数和(自身を除く): 66637716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1303, 1612, 1860, 2015, 2418, 2606, 3909, 4030, 4836, 5212, 6045, 6515, 7818, 8060, 12090, 13030, 15636, 16939, 19545, 24180, 26060, 33878, 39090, 40393, 50817, 67756, 78180, 80786, 84695, 101634, 121179, 161572, 169390, 201965, 203268, 242358, 254085, 338780, 403930, 484716, 508170, 525109, 605895, 807860, 1016340, 1050218, 1211790, 1575327, 2100436, 2423580, 2625545, 3150654, 5251090, 6301308, 7876635, 10502180, 15753270, 31506540]

約数ペア:

[(1, 31506540), (2, 15753270), (3, 10502180), (4, 7876635), (5, 6301308), (6, 5251090), (10, 3150654), (12, 2625545), (13, 2423580), (15, 2100436), (20, 1575327), (26, 1211790), (30, 1050218), (31, 1016340), (39, 807860), (52, 605895), (60, 525109), (62, 508170), (65, 484716), (78, 403930), (93, 338780), (124, 254085), (130, 242358), (155, 203268), (156, 201965), (186, 169390), (195, 161572), (260, 121179), (310, 101634), (372, 84695), (390, 80786), (403, 78180), (465, 67756), (620, 50817), (780, 40393), (806, 39090), (930, 33878), (1209, 26060), (1303, 24180), (1612, 19545), (1860, 16939), (2015, 15636), (2418, 13030), (2606, 12090), (3909, 8060), (4030, 7818), (4836, 6515), (5212, 6045)]