87822680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 233280000

約数和(自身を除く): 145457320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 59, 68, 85, 88, 110, 118, 136, 170, 187, 199, 220, 236, 295, 340, 374, 398, 440, 472, 590, 649, 680, 748, 796, 935, 995, 1003, 1180, 1298, 1496, 1592, 1870, 1990, 2006, 2189, 2360, 2596, 3245, 3383, 3740, 3980, 4012, 4378, 5015, 5192, 6490, 6766, 7480, 7960, 8024, 8756, 10030, 10945, 11033, 11741, 12980, 13532, 16915, 17512, 20060, 21890, 22066, 23482, 25960, 27064, 33830, 37213, 40120, 43780, 44132, 46964, 55165, 58705, 67660, 74426, 87560, 88264, 93928, 110330, 117410, 129151, 135320, 148852, 186065, 199597, 220660, 234820, 258302, 297704, 372130, 399194, 441320, 469640, 516604, 645755, 744260, 798388, 997985, 1033208, 1291510, 1488520, 1596776, 1995970, 2195567, 2583020, 3991940, 4391134, 5166040, 7983880, 8782268, 10977835, 17564536, 21955670, 43911340, 87822680]

約数ペア:

[(1, 87822680), (2, 43911340), (4, 21955670), (5, 17564536), (8, 10977835), (10, 8782268), (11, 7983880), (17, 5166040), (20, 4391134), (22, 3991940), (34, 2583020), (40, 2195567), (44, 1995970), (55, 1596776), (59, 1488520), (68, 1291510), (85, 1033208), (88, 997985), (110, 798388), (118, 744260), (136, 645755), (170, 516604), (187, 469640), (199, 441320), (220, 399194), (236, 372130), (295, 297704), (340, 258302), (374, 234820), (398, 220660), (440, 199597), (472, 186065), (590, 148852), (649, 135320), (680, 129151), (748, 117410), (796, 110330), (935, 93928), (995, 88264), (1003, 87560), (1180, 74426), (1298, 67660), (1496, 58705), (1592, 55165), (1870, 46964), (1990, 44132), (2006, 43780), (2189, 40120), (2360, 37213), (2596, 33830), (3245, 27064), (3383, 25960), (3740, 23482), (3980, 22066), (4012, 21890), (4378, 20060), (5015, 17512), (5192, 16915), (6490, 13532), (6766, 12980), (7480, 11741), (7960, 11033), (8024, 10945), (8756, 10030)]