157220840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 425779200

約数和(自身を除く): 268558360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 59, 62, 70, 118, 124, 140, 155, 217, 236, 248, 280, 295, 307, 310, 413, 434, 472, 590, 614, 620, 826, 868, 1085, 1180, 1228, 1240, 1535, 1652, 1736, 1829, 2065, 2149, 2170, 2360, 2456, 3070, 3304, 3658, 4130, 4298, 4340, 6140, 7316, 8260, 8596, 8680, 9145, 9517, 10745, 12280, 12803, 14632, 16520, 17192, 18113, 18290, 19034, 21490, 25606, 36226, 36580, 38068, 42980, 47585, 51212, 64015, 66619, 72452, 73160, 76136, 85960, 90565, 95170, 102424, 126791, 128030, 133238, 144904, 181130, 190340, 253582, 256060, 266476, 333095, 362260, 380680, 507164, 512120, 532952, 561503, 633955, 666190, 724520, 1014328, 1123006, 1267910, 1332380, 2246012, 2535820, 2664760, 2807515, 3930521, 4492024, 5071640, 5615030, 7861042, 11230060, 15722084, 19652605, 22460120, 31444168, 39305210, 78610420, 157220840]

約数ペア:

[(1, 157220840), (2, 78610420), (4, 39305210), (5, 31444168), (7, 22460120), (8, 19652605), (10, 15722084), (14, 11230060), (20, 7861042), (28, 5615030), (31, 5071640), (35, 4492024), (40, 3930521), (56, 2807515), (59, 2664760), (62, 2535820), (70, 2246012), (118, 1332380), (124, 1267910), (140, 1123006), (155, 1014328), (217, 724520), (236, 666190), (248, 633955), (280, 561503), (295, 532952), (307, 512120), (310, 507164), (413, 380680), (434, 362260), (472, 333095), (590, 266476), (614, 256060), (620, 253582), (826, 190340), (868, 181130), (1085, 144904), (1180, 133238), (1228, 128030), (1240, 126791), (1535, 102424), (1652, 95170), (1736, 90565), (1829, 85960), (2065, 76136), (2149, 73160), (2170, 72452), (2360, 66619), (2456, 64015), (3070, 51212), (3304, 47585), (3658, 42980), (4130, 38068), (4298, 36580), (4340, 36226), (6140, 25606), (7316, 21490), (8260, 19034), (8596, 18290), (8680, 18113), (9145, 17192), (9517, 16520), (10745, 14632), (12280, 12803)]