621609520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:699

約数の個数: 160

約数和(自身を含む): 1735888896

約数和(自身を除く): 1114279376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 61, 62, 70, 80, 112, 122, 124, 140, 155, 217, 244, 248, 280, 305, 310, 427, 434, 488, 496, 560, 587, 610, 620, 854, 868, 976, 1085, 1174, 1220, 1240, 1708, 1736, 1891, 2135, 2170, 2348, 2440, 2480, 2935, 3416, 3472, 3782, 4109, 4270, 4340, 4696, 4880, 5870, 6832, 7564, 8218, 8540, 8680, 9392, 9455, 11740, 13237, 15128, 16436, 17080, 17360, 18197, 18910, 20545, 23480, 26474, 30256, 32872, 34160, 35807, 36394, 37820, 41090, 46960, 52948, 65744, 66185, 71614, 72788, 75640, 82180, 90985, 105896, 127379, 132370, 143228, 145576, 151280, 164360, 179035, 181970, 211792, 250649, 254758, 264740, 286456, 291152, 328720, 358070, 363940, 501298, 509516, 529480, 572912, 636895, 716140, 727880, 1002596, 1019032, 1058960, 1110017, 1253245, 1273790, 1432280, 1455760, 2005192, 2038064, 2220034, 2506490, 2547580, 2864560, 4010384, 4440068, 5012980, 5095160, 5550085, 7770119, 8880136, 10025960, 10190320, 11100170, 15540238, 17760272, 20051920, 22200340, 31080476, 38850595, 44400680, 62160952, 77701190, 88801360, 124321904, 155402380, 310804760, 621609520]

約数ペア:

[(1, 621609520), (2, 310804760), (4, 155402380), (5, 124321904), (7, 88801360), (8, 77701190), (10, 62160952), (14, 44400680), (16, 38850595), (20, 31080476), (28, 22200340), (31, 20051920), (35, 17760272), (40, 15540238), (56, 11100170), (61, 10190320), (62, 10025960), (70, 8880136), (80, 7770119), (112, 5550085), (122, 5095160), (124, 5012980), (140, 4440068), (155, 4010384), (217, 2864560), (244, 2547580), (248, 2506490), (280, 2220034), (305, 2038064), (310, 2005192), (427, 1455760), (434, 1432280), (488, 1273790), (496, 1253245), (560, 1110017), (587, 1058960), (610, 1019032), (620, 1002596), (854, 727880), (868, 716140), (976, 636895), (1085, 572912), (1174, 529480), (1220, 509516), (1240, 501298), (1708, 363940), (1736, 358070), (1891, 328720), (2135, 291152), (2170, 286456), (2348, 264740), (2440, 254758), (2480, 250649), (2935, 211792), (3416, 181970), (3472, 179035), (3782, 164360), (4109, 151280), (4270, 145576), (4340, 143228), (4696, 132370), (4880, 127379), (5870, 105896), (6832, 90985), (7564, 82180), (8218, 75640), (8540, 72788), (8680, 71614), (9392, 66185), (9455, 65744), (11740, 52948), (13237, 46960), (15128, 41090), (16436, 37820), (17080, 36394), (17360, 35807), (18197, 34160), (18910, 32872), (20545, 30256), (23480, 26474)]