217403760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1031

約数の個数: 160

約数和(自身を含む): 776236032

約数和(自身を除く): 558832272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 151, 168, 210, 240, 280, 302, 336, 420, 453, 560, 604, 755, 840, 857, 906, 1057, 1208, 1510, 1680, 1714, 1812, 2114, 2265, 2416, 2571, 3020, 3171, 3428, 3624, 4228, 4285, 4530, 5142, 5285, 5999, 6040, 6342, 6856, 7248, 8456, 8570, 9060, 10284, 10570, 11998, 12080, 12684, 12855, 13712, 15855, 16912, 17140, 17997, 18120, 20568, 21140, 23996, 25368, 25710, 29995, 31710, 34280, 35994, 36240, 41136, 42280, 47992, 50736, 51420, 59990, 63420, 68560, 71988, 84560, 89985, 95984, 102840, 119980, 126840, 129407, 143976, 179970, 205680, 239960, 253680, 258814, 287952, 359940, 388221, 479920, 517628, 647035, 719880, 776442, 905849, 1035256, 1294070, 1439760, 1552884, 1811698, 1941105, 2070512, 2588140, 2717547, 3105768, 3623396, 3882210, 4529245, 5176280, 5435094, 6211536, 7246792, 7764420, 9058490, 10352560, 10870188, 13587735, 14493584, 15528840, 18116980, 21740376, 27175470, 31057680, 36233960, 43480752, 54350940, 72467920, 108701880, 217403760]

約数ペア:

[(1, 217403760), (2, 108701880), (3, 72467920), (4, 54350940), (5, 43480752), (6, 36233960), (7, 31057680), (8, 27175470), (10, 21740376), (12, 18116980), (14, 15528840), (15, 14493584), (16, 13587735), (20, 10870188), (21, 10352560), (24, 9058490), (28, 7764420), (30, 7246792), (35, 6211536), (40, 5435094), (42, 5176280), (48, 4529245), (56, 3882210), (60, 3623396), (70, 3105768), (80, 2717547), (84, 2588140), (105, 2070512), (112, 1941105), (120, 1811698), (140, 1552884), (151, 1439760), (168, 1294070), (210, 1035256), (240, 905849), (280, 776442), (302, 719880), (336, 647035), (420, 517628), (453, 479920), (560, 388221), (604, 359940), (755, 287952), (840, 258814), (857, 253680), (906, 239960), (1057, 205680), (1208, 179970), (1510, 143976), (1680, 129407), (1714, 126840), (1812, 119980), (2114, 102840), (2265, 95984), (2416, 89985), (2571, 84560), (3020, 71988), (3171, 68560), (3428, 63420), (3624, 59990), (4228, 51420), (4285, 50736), (4530, 47992), (5142, 42280), (5285, 41136), (5999, 36240), (6040, 35994), (6342, 34280), (6856, 31710), (7248, 29995), (8456, 25710), (8570, 25368), (9060, 23996), (10284, 21140), (10570, 20568), (11998, 18120), (12080, 17997), (12684, 17140), (12855, 16912), (13712, 15855)]