205713840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:571

約数の個数: 160

約数和(自身を含む): 674956800

約数和(自身を除く): 469242960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 83, 92, 115, 120, 138, 166, 184, 230, 240, 249, 276, 332, 345, 368, 415, 449, 460, 498, 552, 664, 690, 830, 898, 920, 996, 1104, 1245, 1328, 1347, 1380, 1660, 1796, 1840, 1909, 1992, 2245, 2490, 2694, 2760, 3320, 3592, 3818, 3984, 4490, 4980, 5388, 5520, 5727, 6640, 6735, 7184, 7636, 8980, 9545, 9960, 10327, 10776, 11454, 13470, 15272, 17960, 19090, 19920, 20654, 21552, 22908, 26940, 28635, 30544, 30981, 35920, 37267, 38180, 41308, 45816, 51635, 53880, 57270, 61962, 74534, 76360, 82616, 91632, 103270, 107760, 111801, 114540, 123924, 149068, 152720, 154905, 165232, 186335, 206540, 223602, 229080, 247848, 298136, 309810, 372670, 413080, 447204, 458160, 495696, 559005, 596272, 619620, 745340, 826160, 857141, 894408, 1118010, 1239240, 1490680, 1714282, 1788816, 2236020, 2478480, 2571423, 2981360, 3428564, 4285705, 4472040, 5142846, 6857128, 8571410, 8944080, 10285692, 12857115, 13714256, 17142820, 20571384, 25714230, 34285640, 41142768, 51428460, 68571280, 102856920, 205713840]

約数ペア:

[(1, 205713840), (2, 102856920), (3, 68571280), (4, 51428460), (5, 41142768), (6, 34285640), (8, 25714230), (10, 20571384), (12, 17142820), (15, 13714256), (16, 12857115), (20, 10285692), (23, 8944080), (24, 8571410), (30, 6857128), (40, 5142846), (46, 4472040), (48, 4285705), (60, 3428564), (69, 2981360), (80, 2571423), (83, 2478480), (92, 2236020), (115, 1788816), (120, 1714282), (138, 1490680), (166, 1239240), (184, 1118010), (230, 894408), (240, 857141), (249, 826160), (276, 745340), (332, 619620), (345, 596272), (368, 559005), (415, 495696), (449, 458160), (460, 447204), (498, 413080), (552, 372670), (664, 309810), (690, 298136), (830, 247848), (898, 229080), (920, 223602), (996, 206540), (1104, 186335), (1245, 165232), (1328, 154905), (1347, 152720), (1380, 149068), (1660, 123924), (1796, 114540), (1840, 111801), (1909, 107760), (1992, 103270), (2245, 91632), (2490, 82616), (2694, 76360), (2760, 74534), (3320, 61962), (3592, 57270), (3818, 53880), (3984, 51635), (4490, 45816), (4980, 41308), (5388, 38180), (5520, 37267), (5727, 35920), (6640, 30981), (6735, 30544), (7184, 28635), (7636, 26940), (8980, 22908), (9545, 21552), (9960, 20654), (10327, 19920), (10776, 19090), (11454, 17960), (13470, 15272)]