64231920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 160

約数和(自身を含む): 223914240

約数和(自身を除く): 159682320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 131, 135, 144, 180, 216, 227, 240, 262, 270, 360, 393, 432, 454, 524, 540, 655, 681, 720, 786, 908, 1048, 1080, 1135, 1179, 1310, 1362, 1572, 1816, 1965, 2043, 2096, 2160, 2270, 2358, 2620, 2724, 3144, 3405, 3537, 3632, 3930, 4086, 4540, 4716, 5240, 5448, 5895, 6129, 6288, 6810, 7074, 7860, 8172, 9080, 9432, 10215, 10480, 10896, 11790, 12258, 13620, 14148, 15720, 16344, 17685, 18160, 18864, 20430, 23580, 24516, 27240, 28296, 29737, 30645, 31440, 32688, 35370, 40860, 47160, 49032, 54480, 56592, 59474, 61290, 70740, 81720, 89211, 94320, 98064, 118948, 122580, 141480, 148685, 163440, 178422, 237896, 245160, 267633, 282960, 297370, 356844, 446055, 475792, 490320, 535266, 594740, 713688, 802899, 892110, 1070532, 1189480, 1338165, 1427376, 1605798, 1784220, 2141064, 2378960, 2676330, 3211596, 3568440, 4014495, 4282128, 5352660, 6423192, 7136880, 8028990, 10705320, 12846384, 16057980, 21410640, 32115960, 64231920]

約数ペア:

[(1, 64231920), (2, 32115960), (3, 21410640), (4, 16057980), (5, 12846384), (6, 10705320), (8, 8028990), (9, 7136880), (10, 6423192), (12, 5352660), (15, 4282128), (16, 4014495), (18, 3568440), (20, 3211596), (24, 2676330), (27, 2378960), (30, 2141064), (36, 1784220), (40, 1605798), (45, 1427376), (48, 1338165), (54, 1189480), (60, 1070532), (72, 892110), (80, 802899), (90, 713688), (108, 594740), (120, 535266), (131, 490320), (135, 475792), (144, 446055), (180, 356844), (216, 297370), (227, 282960), (240, 267633), (262, 245160), (270, 237896), (360, 178422), (393, 163440), (432, 148685), (454, 141480), (524, 122580), (540, 118948), (655, 98064), (681, 94320), (720, 89211), (786, 81720), (908, 70740), (1048, 61290), (1080, 59474), (1135, 56592), (1179, 54480), (1310, 49032), (1362, 47160), (1572, 40860), (1816, 35370), (1965, 32688), (2043, 31440), (2096, 30645), (2160, 29737), (2270, 28296), (2358, 27240), (2620, 24516), (2724, 23580), (3144, 20430), (3405, 18864), (3537, 18160), (3632, 17685), (3930, 16344), (4086, 15720), (4540, 14148), (4716, 13620), (5240, 12258), (5448, 11790), (5895, 10896), (6129, 10480), (6288, 10215), (6810, 9432), (7074, 9080), (7860, 8172)]