618689240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{4423}}^1$

素因数の和:4716

約数の個数: 64

約数和(自身を含む): 1505044800

約数和(自身を除く): 886355560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 520, 538, 1076, 1345, 2152, 2690, 3497, 4423, 5380, 6994, 8846, 10760, 13988, 17485, 17692, 22115, 27976, 34970, 35384, 44230, 57499, 69940, 88460, 114998, 139880, 176920, 229996, 287495, 459992, 574990, 1149980, 1189787, 2299960, 2379574, 4759148, 5948935, 9518296, 11897870, 15467231, 23795740, 30934462, 47591480, 61868924, 77336155, 123737848, 154672310, 309344620, 618689240]

約数ペア:

[(1, 618689240), (2, 309344620), (4, 154672310), (5, 123737848), (8, 77336155), (10, 61868924), (13, 47591480), (20, 30934462), (26, 23795740), (40, 15467231), (52, 11897870), (65, 9518296), (104, 5948935), (130, 4759148), (260, 2379574), (269, 2299960), (520, 1189787), (538, 1149980), (1076, 574990), (1345, 459992), (2152, 287495), (2690, 229996), (3497, 176920), (4423, 139880), (5380, 114998), (6994, 88460), (8846, 69940), (10760, 57499), (13988, 44230), (17485, 35384), (17692, 34970), (22115, 27976)]