31821660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1511}}^1$

素因数の和:1545

約数の個数: 120

約数和(自身を含む): 107575776

約数和(自身を除く): 75754116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1511, 1620, 1755, 2106, 2340, 3022, 3510, 4212, 4533, 5265, 6044, 7020, 7555, 9066, 10530, 13599, 15110, 18132, 19643, 21060, 22665, 27198, 30220, 39286, 40797, 45330, 54396, 58929, 67995, 78572, 81594, 90660, 98215, 117858, 122391, 135990, 163188, 176787, 196430, 203985, 235716, 244782, 271980, 294645, 353574, 392860, 407970, 489564, 530361, 589290, 611955, 707148, 815940, 883935, 1060722, 1178580, 1223910, 1591083, 1767870, 2121444, 2447820, 2651805, 3182166, 3535740, 5303610, 6364332, 7955415, 10607220, 15910830, 31821660]

約数ペア:

[(1, 31821660), (2, 15910830), (3, 10607220), (4, 7955415), (5, 6364332), (6, 5303610), (9, 3535740), (10, 3182166), (12, 2651805), (13, 2447820), (15, 2121444), (18, 1767870), (20, 1591083), (26, 1223910), (27, 1178580), (30, 1060722), (36, 883935), (39, 815940), (45, 707148), (52, 611955), (54, 589290), (60, 530361), (65, 489564), (78, 407970), (81, 392860), (90, 353574), (108, 294645), (117, 271980), (130, 244782), (135, 235716), (156, 203985), (162, 196430), (180, 176787), (195, 163188), (234, 135990), (260, 122391), (270, 117858), (324, 98215), (351, 90660), (390, 81594), (405, 78572), (468, 67995), (540, 58929), (585, 54396), (702, 45330), (780, 40797), (810, 39286), (1053, 30220), (1170, 27198), (1404, 22665), (1511, 21060), (1620, 19643), (1755, 18132), (2106, 15110), (2340, 13599), (3022, 10530), (3510, 9066), (4212, 7555), (4533, 7020), (5265, 6044)]