20438890320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{39191}}^1$

素因数の和:39301

約数の個数: 160

約数和(自身を含む): 66132267264

約数和(自身を除く): 45693376944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 53, 60, 80, 82, 106, 120, 123, 159, 164, 205, 212, 240, 246, 265, 318, 328, 410, 424, 492, 530, 615, 636, 656, 795, 820, 848, 984, 1060, 1230, 1272, 1590, 1640, 1968, 2120, 2173, 2460, 2544, 3180, 3280, 4240, 4346, 4920, 6360, 6519, 8692, 9840, 10865, 12720, 13038, 17384, 21730, 26076, 32595, 34768, 39191, 43460, 52152, 65190, 78382, 86920, 104304, 117573, 130380, 156764, 173840, 195955, 235146, 260760, 313528, 391910, 470292, 521520, 587865, 627056, 783820, 940584, 1175730, 1567640, 1606831, 1881168, 2077123, 2351460, 3135280, 3213662, 4154246, 4702920, 4820493, 6231369, 6427324, 8034155, 8308492, 9405840, 9640986, 10385615, 12462738, 12854648, 16068310, 16616984, 19281972, 20771230, 24102465, 24925476, 25709296, 31156845, 32136620, 33233968, 38563944, 41542460, 48204930, 49850952, 62313690, 64273240, 77127888, 83084920, 85162043, 96409860, 99701904, 124627380, 128546480, 166169840, 170324086, 192819720, 249254760, 255486129, 340648172, 385639440, 425810215, 498509520, 510972258, 681296344, 851620430, 1021944516, 1277430645, 1362592688, 1703240860, 2043889032, 2554861290, 3406481720, 4087778064, 5109722580, 6812963440, 10219445160, 20438890320]

約数ペア:

[(1, 20438890320), (2, 10219445160), (3, 6812963440), (4, 5109722580), (5, 4087778064), (6, 3406481720), (8, 2554861290), (10, 2043889032), (12, 1703240860), (15, 1362592688), (16, 1277430645), (20, 1021944516), (24, 851620430), (30, 681296344), (40, 510972258), (41, 498509520), (48, 425810215), (53, 385639440), (60, 340648172), (80, 255486129), (82, 249254760), (106, 192819720), (120, 170324086), (123, 166169840), (159, 128546480), (164, 124627380), (205, 99701904), (212, 96409860), (240, 85162043), (246, 83084920), (265, 77127888), (318, 64273240), (328, 62313690), (410, 49850952), (424, 48204930), (492, 41542460), (530, 38563944), (615, 33233968), (636, 32136620), (656, 31156845), (795, 25709296), (820, 24925476), (848, 24102465), (984, 20771230), (1060, 19281972), (1230, 16616984), (1272, 16068310), (1590, 12854648), (1640, 12462738), (1968, 10385615), (2120, 9640986), (2173, 9405840), (2460, 8308492), (2544, 8034155), (3180, 6427324), (3280, 6231369), (4240, 4820493), (4346, 4702920), (4920, 4154246), (6360, 3213662), (6519, 3135280), (8692, 2351460), (9840, 2077123), (10865, 1881168), (12720, 1606831), (13038, 1567640), (17384, 1175730), (21730, 940584), (26076, 783820), (32595, 627056), (34768, 587865), (39191, 521520), (43460, 470292), (52152, 391910), (65190, 313528), (78382, 260760), (86920, 235146), (104304, 195955), (117573, 173840), (130380, 156764)]