18562720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 30426080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 80, 88, 106, 110, 160, 176, 199, 212, 220, 265, 352, 398, 424, 440, 530, 583, 796, 848, 880, 995, 1060, 1166, 1592, 1696, 1760, 1990, 2120, 2189, 2332, 2915, 3184, 3980, 4240, 4378, 4664, 5830, 6368, 7960, 8480, 8756, 9328, 10547, 10945, 11660, 15920, 17512, 18656, 21094, 21890, 23320, 31840, 35024, 42188, 43780, 46640, 52735, 70048, 84376, 87560, 93280, 105470, 116017, 168752, 175120, 210940, 232034, 337504, 350240, 421880, 464068, 580085, 843760, 928136, 1160170, 1687520, 1856272, 2320340, 3712544, 4640680, 9281360, 18562720]

約数ペア:

[(1, 18562720), (2, 9281360), (4, 4640680), (5, 3712544), (8, 2320340), (10, 1856272), (11, 1687520), (16, 1160170), (20, 928136), (22, 843760), (32, 580085), (40, 464068), (44, 421880), (53, 350240), (55, 337504), (80, 232034), (88, 210940), (106, 175120), (110, 168752), (160, 116017), (176, 105470), (199, 93280), (212, 87560), (220, 84376), (265, 70048), (352, 52735), (398, 46640), (424, 43780), (440, 42188), (530, 35024), (583, 31840), (796, 23320), (848, 21890), (880, 21094), (995, 18656), (1060, 17512), (1166, 15920), (1592, 11660), (1696, 10945), (1760, 10547), (1990, 9328), (2120, 8756), (2189, 8480), (2332, 7960), (2915, 6368), (3184, 5830), (3980, 4664), (4240, 4378)]