1801471360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216523}}^1$

素因数の和:216555

約数の個数: 64

約数和(自身を含む): 4637944080

約数和(自身を除く): 2836472720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 216523, 433046, 866092, 1082615, 1732184, 2165230, 2814799, 3464368, 4330460, 5629598, 6928736, 8660920, 11259196, 13857472, 14073995, 17321840, 22518392, 27714944, 28147990, 34643680, 45036784, 56295980, 69287360, 90073568, 112591960, 138574720, 180147136, 225183920, 360294272, 450367840, 900735680, 1801471360]

約数ペア:

[(1, 1801471360), (2, 900735680), (4, 450367840), (5, 360294272), (8, 225183920), (10, 180147136), (13, 138574720), (16, 112591960), (20, 90073568), (26, 69287360), (32, 56295980), (40, 45036784), (52, 34643680), (64, 28147990), (65, 27714944), (80, 22518392), (104, 17321840), (128, 14073995), (130, 13857472), (160, 11259196), (208, 8660920), (260, 6928736), (320, 5629598), (416, 4330460), (520, 3464368), (640, 2814799), (832, 2165230), (1040, 1732184), (1664, 1082615), (2080, 866092), (4160, 433046), (8320, 216523)]