655565520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:833

約数の個数: 160

約数和(自身を含む): 2100579840

約数和(自身を除く): 1445014320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 67, 80, 118, 120, 134, 177, 201, 236, 240, 268, 295, 335, 354, 402, 472, 536, 590, 670, 691, 708, 804, 885, 944, 1005, 1072, 1180, 1340, 1382, 1416, 1608, 1770, 2010, 2073, 2360, 2680, 2764, 2832, 3216, 3455, 3540, 3953, 4020, 4146, 4720, 5360, 5528, 6910, 7080, 7906, 8040, 8292, 10365, 11056, 11859, 13820, 14160, 15812, 16080, 16584, 19765, 20730, 23718, 27640, 31624, 33168, 39530, 40769, 41460, 46297, 47436, 55280, 59295, 63248, 79060, 81538, 82920, 92594, 94872, 118590, 122307, 138891, 158120, 163076, 165840, 185188, 189744, 203845, 231485, 237180, 244614, 277782, 316240, 326152, 370376, 407690, 462970, 474360, 489228, 555564, 611535, 652304, 694455, 740752, 815380, 925940, 948720, 978456, 1111128, 1223070, 1388910, 1630760, 1851880, 1956912, 2222256, 2446140, 2731523, 2777820, 3261520, 3703760, 4892280, 5463046, 5555640, 8194569, 9784560, 10926092, 11111280, 13657615, 16389138, 21852184, 27315230, 32778276, 40972845, 43704368, 54630460, 65556552, 81945690, 109260920, 131113104, 163891380, 218521840, 327782760, 655565520]

約数ペア:

[(1, 655565520), (2, 327782760), (3, 218521840), (4, 163891380), (5, 131113104), (6, 109260920), (8, 81945690), (10, 65556552), (12, 54630460), (15, 43704368), (16, 40972845), (20, 32778276), (24, 27315230), (30, 21852184), (40, 16389138), (48, 13657615), (59, 11111280), (60, 10926092), (67, 9784560), (80, 8194569), (118, 5555640), (120, 5463046), (134, 4892280), (177, 3703760), (201, 3261520), (236, 2777820), (240, 2731523), (268, 2446140), (295, 2222256), (335, 1956912), (354, 1851880), (402, 1630760), (472, 1388910), (536, 1223070), (590, 1111128), (670, 978456), (691, 948720), (708, 925940), (804, 815380), (885, 740752), (944, 694455), (1005, 652304), (1072, 611535), (1180, 555564), (1340, 489228), (1382, 474360), (1416, 462970), (1608, 407690), (1770, 370376), (2010, 326152), (2073, 316240), (2360, 277782), (2680, 244614), (2764, 237180), (2832, 231485), (3216, 203845), (3455, 189744), (3540, 185188), (3953, 165840), (4020, 163076), (4146, 158120), (4720, 138891), (5360, 122307), (5528, 118590), (6910, 94872), (7080, 92594), (7906, 82920), (8040, 81538), (8292, 79060), (10365, 63248), (11056, 59295), (11859, 55280), (13820, 47436), (14160, 46297), (15812, 41460), (16080, 40769), (16584, 39530), (19765, 33168), (20730, 31624), (23718, 27640)]