153940020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197359}}^1$

素因数の和:197384

約数の個数: 48

約数和(自身を含む): 464190720

約数和(自身を除く): 310250700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 197359, 394718, 592077, 789436, 986795, 1184154, 1973590, 2368308, 2565667, 2960385, 3947180, 5131334, 5920770, 7697001, 10262668, 11841540, 12828335, 15394002, 25656670, 30788004, 38485005, 51313340, 76970010, 153940020]

約数ペア:

[(1, 153940020), (2, 76970010), (3, 51313340), (4, 38485005), (5, 30788004), (6, 25656670), (10, 15394002), (12, 12828335), (13, 11841540), (15, 10262668), (20, 7697001), (26, 5920770), (30, 5131334), (39, 3947180), (52, 2960385), (60, 2565667), (65, 2368308), (78, 1973590), (130, 1184154), (156, 986795), (195, 789436), (260, 592077), (390, 394718), (780, 197359)]