15723970

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 29127600

約数和(自身を除く): 13403630

約数列:

[1, 2, 5, 10, 61, 122, 149, 173, 298, 305, 346, 610, 745, 865, 1490, 1730, 9089, 10553, 18178, 21106, 25777, 45445, 51554, 52765, 90890, 105530, 128885, 257770, 1572397, 3144794, 7861985, 15723970]

約数ペア:

[(1, 15723970), (2, 7861985), (5, 3144794), (10, 1572397), (61, 257770), (122, 128885), (149, 105530), (173, 90890), (298, 52765), (305, 51554), (346, 45445), (610, 25777), (745, 21106), (865, 18178), (1490, 10553), (1730, 9089)]