128806920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2957}}^1$

素因数の和:2996

約数の個数: 144

約数和(自身を含む): 460294380

約数和(自身を除く): 331487460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1980, 2178, 2420, 2904, 2957, 3630, 3960, 4356, 4840, 5445, 5914, 7260, 8712, 8871, 10890, 11828, 14520, 14785, 17742, 21780, 23656, 26613, 29570, 32527, 35484, 43560, 44355, 53226, 59140, 65054, 70968, 88710, 97581, 106452, 118280, 130108, 133065, 162635, 177420, 195162, 212904, 260216, 266130, 292743, 325270, 354840, 357797, 390324, 487905, 532260, 585486, 650540, 715594, 780648, 975810, 1064520, 1073391, 1170972, 1301080, 1431188, 1463715, 1788985, 1951620, 2146782, 2341944, 2862376, 2927430, 3220173, 3577970, 3903240, 4293564, 5366955, 5854860, 6440346, 7155940, 8587128, 10733910, 11709720, 12880692, 14311880, 16100865, 21467820, 25761384, 32201730, 42935640, 64403460, 128806920]

約数ペア:

[(1, 128806920), (2, 64403460), (3, 42935640), (4, 32201730), (5, 25761384), (6, 21467820), (8, 16100865), (9, 14311880), (10, 12880692), (11, 11709720), (12, 10733910), (15, 8587128), (18, 7155940), (20, 6440346), (22, 5854860), (24, 5366955), (30, 4293564), (33, 3903240), (36, 3577970), (40, 3220173), (44, 2927430), (45, 2862376), (55, 2341944), (60, 2146782), (66, 1951620), (72, 1788985), (88, 1463715), (90, 1431188), (99, 1301080), (110, 1170972), (120, 1073391), (121, 1064520), (132, 975810), (165, 780648), (180, 715594), (198, 650540), (220, 585486), (242, 532260), (264, 487905), (330, 390324), (360, 357797), (363, 354840), (396, 325270), (440, 292743), (484, 266130), (495, 260216), (605, 212904), (660, 195162), (726, 177420), (792, 162635), (968, 133065), (990, 130108), (1089, 118280), (1210, 106452), (1320, 97581), (1452, 88710), (1815, 70968), (1980, 65054), (2178, 59140), (2420, 53226), (2904, 44355), (2957, 43560), (3630, 35484), (3960, 32527), (4356, 29570), (4840, 26613), (5445, 23656), (5914, 21780), (7260, 17742), (8712, 14785), (8871, 14520), (10890, 11828)]