19949681520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{185959}}^1$

素因数の和:186127

約数の個数: 120

約数和(自身を含む): 67447692000

約数和(自身を除く): 47498010480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 149, 180, 240, 298, 360, 447, 596, 720, 745, 894, 1192, 1341, 1490, 1788, 2235, 2384, 2682, 2980, 3576, 4470, 5364, 5960, 6705, 7152, 8940, 10728, 11920, 13410, 17880, 21456, 26820, 35760, 53640, 107280, 185959, 371918, 557877, 743836, 929795, 1115754, 1487672, 1673631, 1859590, 2231508, 2789385, 2975344, 3347262, 3719180, 4463016, 5578770, 6694524, 7438360, 8368155, 8926032, 11157540, 13389048, 14876720, 16736310, 22315080, 26778096, 27707891, 33472620, 44630160, 55415782, 66945240, 83123673, 110831564, 133890480, 138539455, 166247346, 221663128, 249371019, 277078910, 332494692, 415618365, 443326256, 498742038, 554157820, 664989384, 831236730, 997484076, 1108315640, 1246855095, 1329978768, 1662473460, 1994968152, 2216631280, 2493710190, 3324946920, 3989936304, 4987420380, 6649893840, 9974840760, 19949681520]

約数ペア:

[(1, 19949681520), (2, 9974840760), (3, 6649893840), (4, 4987420380), (5, 3989936304), (6, 3324946920), (8, 2493710190), (9, 2216631280), (10, 1994968152), (12, 1662473460), (15, 1329978768), (16, 1246855095), (18, 1108315640), (20, 997484076), (24, 831236730), (30, 664989384), (36, 554157820), (40, 498742038), (45, 443326256), (48, 415618365), (60, 332494692), (72, 277078910), (80, 249371019), (90, 221663128), (120, 166247346), (144, 138539455), (149, 133890480), (180, 110831564), (240, 83123673), (298, 66945240), (360, 55415782), (447, 44630160), (596, 33472620), (720, 27707891), (745, 26778096), (894, 22315080), (1192, 16736310), (1341, 14876720), (1490, 13389048), (1788, 11157540), (2235, 8926032), (2384, 8368155), (2682, 7438360), (2980, 6694524), (3576, 5578770), (4470, 4463016), (5364, 3719180), (5960, 3347262), (6705, 2975344), (7152, 2789385), (8940, 2231508), (10728, 1859590), (11920, 1673631), (13410, 1487672), (17880, 1115754), (21456, 929795), (26820, 743836), (35760, 557877), (53640, 371918), (107280, 185959)]