639976560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{691}}^1$

素因数の和:951

約数の個数: 160

約数和(自身を含む): 2112936192

約数和(自身を除く): 1472959632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 227, 240, 255, 272, 340, 408, 454, 510, 680, 681, 691, 816, 908, 1020, 1135, 1360, 1362, 1382, 1816, 2040, 2073, 2270, 2724, 2764, 3405, 3455, 3632, 3859, 4080, 4146, 4540, 5448, 5528, 6810, 6910, 7718, 8292, 9080, 10365, 10896, 11056, 11577, 11747, 13620, 13820, 15436, 16584, 18160, 19295, 20730, 23154, 23494, 27240, 27640, 30872, 33168, 35241, 38590, 41460, 46308, 46988, 54480, 55280, 57885, 58735, 61744, 70482, 77180, 82920, 92616, 93976, 115770, 117470, 140964, 154360, 156857, 165840, 176205, 185232, 187952, 231540, 234940, 281928, 308720, 313714, 352410, 463080, 469880, 470571, 563856, 627428, 704820, 784285, 926160, 939760, 941142, 1254856, 1409640, 1568570, 1882284, 2352855, 2509712, 2666569, 2819280, 3137140, 3764568, 4705710, 5333138, 6274280, 7529136, 7999707, 9411420, 10666276, 12548560, 13332845, 15999414, 18822840, 21332552, 26665690, 31998828, 37645680, 39998535, 42665104, 53331380, 63997656, 79997070, 106662760, 127995312, 159994140, 213325520, 319988280, 639976560]

約数ペア:

[(1, 639976560), (2, 319988280), (3, 213325520), (4, 159994140), (5, 127995312), (6, 106662760), (8, 79997070), (10, 63997656), (12, 53331380), (15, 42665104), (16, 39998535), (17, 37645680), (20, 31998828), (24, 26665690), (30, 21332552), (34, 18822840), (40, 15999414), (48, 13332845), (51, 12548560), (60, 10666276), (68, 9411420), (80, 7999707), (85, 7529136), (102, 6274280), (120, 5333138), (136, 4705710), (170, 3764568), (204, 3137140), (227, 2819280), (240, 2666569), (255, 2509712), (272, 2352855), (340, 1882284), (408, 1568570), (454, 1409640), (510, 1254856), (680, 941142), (681, 939760), (691, 926160), (816, 784285), (908, 704820), (1020, 627428), (1135, 563856), (1360, 470571), (1362, 469880), (1382, 463080), (1816, 352410), (2040, 313714), (2073, 308720), (2270, 281928), (2724, 234940), (2764, 231540), (3405, 187952), (3455, 185232), (3632, 176205), (3859, 165840), (4080, 156857), (4146, 154360), (4540, 140964), (5448, 117470), (5528, 115770), (6810, 93976), (6910, 92616), (7718, 82920), (8292, 77180), (9080, 70482), (10365, 61744), (10896, 58735), (11056, 57885), (11577, 55280), (11747, 54480), (13620, 46988), (13820, 46308), (15436, 41460), (16584, 38590), (18160, 35241), (19295, 33168), (20730, 30872), (23154, 27640), (23494, 27240)]