1814681520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28319}}^1$

素因数の和:28427

約数の個数: 120

約数和(自身を含む): 6162998400

約数和(自身を除く): 4348316880

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, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 534, 712, 720, 801, 890, 1068, 1335, 1424, 1602, 1780, 2136, 2670, 3204, 3560, 4005, 4272, 5340, 6408, 7120, 8010, 10680, 12816, 16020, 21360, 28319, 32040, 56638, 64080, 84957, 113276, 141595, 169914, 226552, 254871, 283190, 339828, 424785, 453104, 509742, 566380, 679656, 849570, 1019484, 1132760, 1274355, 1359312, 1699140, 2038968, 2265520, 2520391, 2548710, 3398280, 4077936, 5040782, 5097420, 6796560, 7561173, 10081564, 10194840, 12601955, 15122346, 20163128, 20389680, 22683519, 25203910, 30244692, 37805865, 40326256, 45367038, 50407820, 60489384, 75611730, 90734076, 100815640, 113417595, 120978768, 151223460, 181468152, 201631280, 226835190, 302446920, 362936304, 453670380, 604893840, 907340760, 1814681520]

約数ペア:

[(1, 1814681520), (2, 907340760), (3, 604893840), (4, 453670380), (5, 362936304), (6, 302446920), (8, 226835190), (9, 201631280), (10, 181468152), (12, 151223460), (15, 120978768), (16, 113417595), (18, 100815640), (20, 90734076), (24, 75611730), (30, 60489384), (36, 50407820), (40, 45367038), (45, 40326256), (48, 37805865), (60, 30244692), (72, 25203910), (80, 22683519), (89, 20389680), (90, 20163128), (120, 15122346), (144, 12601955), (178, 10194840), (180, 10081564), (240, 7561173), (267, 6796560), (356, 5097420), (360, 5040782), (445, 4077936), (534, 3398280), (712, 2548710), (720, 2520391), (801, 2265520), (890, 2038968), (1068, 1699140), (1335, 1359312), (1424, 1274355), (1602, 1132760), (1780, 1019484), (2136, 849570), (2670, 679656), (3204, 566380), (3560, 509742), (4005, 453104), (4272, 424785), (5340, 339828), (6408, 283190), (7120, 254871), (8010, 226552), (10680, 169914), (12816, 141595), (16020, 113276), (21360, 84957), (28319, 64080), (32040, 56638)]