278204940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118891}}^1$

素因数の和:118919

約数の個数: 72

約数和(自身を含む): 908810448

約数和(自身を除く): 630605508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 118891, 237782, 356673, 475564, 594455, 713346, 1070019, 1188910, 1426692, 1545583, 1783365, 2140038, 2377820, 3091166, 3566730, 4280076, 4636749, 5350095, 6182332, 7133460, 7727915, 9273498, 10700190, 13910247, 15455830, 18546996, 21400380, 23183745, 27820494, 30911660, 46367490, 55640988, 69551235, 92734980, 139102470, 278204940]

約数ペア:

[(1, 278204940), (2, 139102470), (3, 92734980), (4, 69551235), (5, 55640988), (6, 46367490), (9, 30911660), (10, 27820494), (12, 23183745), (13, 21400380), (15, 18546996), (18, 15455830), (20, 13910247), (26, 10700190), (30, 9273498), (36, 7727915), (39, 7133460), (45, 6182332), (52, 5350095), (60, 4636749), (65, 4280076), (78, 3566730), (90, 3091166), (117, 2377820), (130, 2140038), (156, 1783365), (180, 1545583), (195, 1426692), (234, 1188910), (260, 1070019), (390, 713346), (468, 594455), (585, 475564), (780, 356673), (1170, 237782), (2340, 118891)]