1520853490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:428

約数の個数: 128

約数和(自身を含む): 3274629120

約数和(自身を除く): 1753775630

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 79, 85, 130, 155, 158, 170, 221, 281, 310, 395, 403, 442, 527, 562, 790, 806, 1027, 1054, 1105, 1343, 1405, 2015, 2054, 2210, 2449, 2635, 2686, 2810, 3653, 4030, 4777, 4898, 5135, 5270, 6715, 6851, 7306, 8711, 9554, 10270, 12245, 13430, 13702, 17422, 17459, 18265, 22199, 23885, 24490, 31837, 34255, 34918, 36530, 41633, 43555, 44398, 47770, 62101, 63674, 68510, 83266, 87110, 87295, 110995, 113243, 124202, 148087, 159185, 174590, 208165, 221990, 226486, 288587, 296174, 310505, 318370, 377383, 416330, 541229, 566215, 577174, 621010, 688169, 740435, 754766, 1082458, 1132430, 1376338, 1442935, 1480870, 1886915, 1925131, 2706145, 2885870, 3440845, 3773830, 3850262, 4905979, 5412290, 6881690, 8946197, 9625655, 9811958, 11698873, 17892394, 19251310, 23397746, 24529895, 44730985, 49059790, 58494365, 89461970, 116988730, 152085349, 304170698, 760426745, 1520853490]

約数ペア:

[(1, 1520853490), (2, 760426745), (5, 304170698), (10, 152085349), (13, 116988730), (17, 89461970), (26, 58494365), (31, 49059790), (34, 44730985), (62, 24529895), (65, 23397746), (79, 19251310), (85, 17892394), (130, 11698873), (155, 9811958), (158, 9625655), (170, 8946197), (221, 6881690), (281, 5412290), (310, 4905979), (395, 3850262), (403, 3773830), (442, 3440845), (527, 2885870), (562, 2706145), (790, 1925131), (806, 1886915), (1027, 1480870), (1054, 1442935), (1105, 1376338), (1343, 1132430), (1405, 1082458), (2015, 754766), (2054, 740435), (2210, 688169), (2449, 621010), (2635, 577174), (2686, 566215), (2810, 541229), (3653, 416330), (4030, 377383), (4777, 318370), (4898, 310505), (5135, 296174), (5270, 288587), (6715, 226486), (6851, 221990), (7306, 208165), (8711, 174590), (9554, 159185), (10270, 148087), (12245, 124202), (13430, 113243), (13702, 110995), (17422, 87295), (17459, 87110), (18265, 83266), (22199, 68510), (23885, 63674), (24490, 62101), (31837, 47770), (34255, 44398), (34918, 43555), (36530, 41633)]