156997620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 517193040

約数和(自身を除く): 360195420

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, 169, 180, 195, 234, 260, 338, 390, 397, 468, 507, 585, 676, 780, 794, 845, 1014, 1170, 1191, 1521, 1588, 1690, 1985, 2028, 2197, 2340, 2382, 2535, 3042, 3380, 3573, 3970, 4394, 4764, 5070, 5161, 5955, 6084, 6591, 7146, 7605, 7940, 8788, 10140, 10322, 10985, 11910, 13182, 14292, 15210, 15483, 17865, 19773, 20644, 21970, 23820, 25805, 26364, 30420, 30966, 32955, 35730, 39546, 43940, 46449, 51610, 61932, 65910, 67093, 71460, 77415, 79092, 92898, 98865, 103220, 131820, 134186, 154830, 185796, 197730, 201279, 232245, 268372, 309660, 335465, 395460, 402558, 464490, 603837, 670930, 805116, 872209, 928980, 1006395, 1207674, 1341860, 1744418, 2012790, 2415348, 2616627, 3019185, 3488836, 4025580, 4361045, 5233254, 6038370, 7849881, 8722090, 10466508, 12076740, 13083135, 15699762, 17444180, 26166270, 31399524, 39249405, 52332540, 78498810, 156997620]

約数ペア:

[(1, 156997620), (2, 78498810), (3, 52332540), (4, 39249405), (5, 31399524), (6, 26166270), (9, 17444180), (10, 15699762), (12, 13083135), (13, 12076740), (15, 10466508), (18, 8722090), (20, 7849881), (26, 6038370), (30, 5233254), (36, 4361045), (39, 4025580), (45, 3488836), (52, 3019185), (60, 2616627), (65, 2415348), (78, 2012790), (90, 1744418), (117, 1341860), (130, 1207674), (156, 1006395), (169, 928980), (180, 872209), (195, 805116), (234, 670930), (260, 603837), (338, 464490), (390, 402558), (397, 395460), (468, 335465), (507, 309660), (585, 268372), (676, 232245), (780, 201279), (794, 197730), (845, 185796), (1014, 154830), (1170, 134186), (1191, 131820), (1521, 103220), (1588, 98865), (1690, 92898), (1985, 79092), (2028, 77415), (2197, 71460), (2340, 67093), (2382, 65910), (2535, 61932), (3042, 51610), (3380, 46449), (3573, 43940), (3970, 39546), (4394, 35730), (4764, 32955), (5070, 30966), (5161, 30420), (5955, 26364), (6084, 25805), (6591, 23820), (7146, 21970), (7605, 20644), (7940, 19773), (8788, 17865), (10140, 15483), (10322, 15210), (10985, 14292), (11910, 13182)]