15402400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1481}}^1$

素因数の和:1514

約数の個数: 72

約数和(自身を含む): 40520844

約数和(自身を除く): 25118444

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 1481, 2080, 2600, 2962, 5200, 5924, 7405, 10400, 11848, 14810, 19253, 23696, 29620, 37025, 38506, 47392, 59240, 74050, 77012, 96265, 118480, 148100, 154024, 192530, 236960, 296200, 308048, 385060, 481325, 592400, 616096, 770120, 962650, 1184800, 1540240, 1925300, 3080480, 3850600, 7701200, 15402400]

約数ペア:

[(1, 15402400), (2, 7701200), (4, 3850600), (5, 3080480), (8, 1925300), (10, 1540240), (13, 1184800), (16, 962650), (20, 770120), (25, 616096), (26, 592400), (32, 481325), (40, 385060), (50, 308048), (52, 296200), (65, 236960), (80, 192530), (100, 154024), (104, 148100), (130, 118480), (160, 96265), (200, 77012), (208, 74050), (260, 59240), (325, 47392), (400, 38506), (416, 37025), (520, 29620), (650, 23696), (800, 19253), (1040, 14810), (1300, 11848), (1481, 10400), (2080, 7405), (2600, 5924), (2962, 5200)]