1623440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 4666368

約数和(自身を除く): 3042928

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 223, 260, 280, 364, 446, 455, 520, 560, 728, 892, 910, 1040, 1115, 1456, 1561, 1784, 1820, 2230, 2899, 3122, 3568, 3640, 4460, 5798, 6244, 7280, 7805, 8920, 11596, 12488, 14495, 15610, 17840, 20293, 23192, 24976, 28990, 31220, 40586, 46384, 57980, 62440, 81172, 101465, 115960, 124880, 162344, 202930, 231920, 324688, 405860, 811720, 1623440]

約数ペア:

[(1, 1623440), (2, 811720), (4, 405860), (5, 324688), (7, 231920), (8, 202930), (10, 162344), (13, 124880), (14, 115960), (16, 101465), (20, 81172), (26, 62440), (28, 57980), (35, 46384), (40, 40586), (52, 31220), (56, 28990), (65, 24976), (70, 23192), (80, 20293), (91, 17840), (104, 15610), (112, 14495), (130, 12488), (140, 11596), (182, 8920), (208, 7805), (223, 7280), (260, 6244), (280, 5798), (364, 4460), (446, 3640), (455, 3568), (520, 3122), (560, 2899), (728, 2230), (892, 1820), (910, 1784), (1040, 1561), (1115, 1456)]