18528720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 48966960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 269, 280, 287, 328, 336, 410, 420, 492, 538, 560, 574, 615, 656, 807, 820, 840, 861, 984, 1076, 1148, 1230, 1345, 1435, 1614, 1640, 1680, 1722, 1883, 1968, 2152, 2296, 2460, 2690, 2870, 3228, 3280, 3444, 3766, 4035, 4304, 4305, 4592, 4920, 5380, 5649, 5740, 6456, 6888, 7532, 8070, 8610, 9415, 9840, 10760, 11029, 11298, 11480, 12912, 13776, 15064, 16140, 17220, 18830, 21520, 22058, 22596, 22960, 28245, 30128, 32280, 33087, 34440, 37660, 44116, 45192, 55145, 56490, 64560, 66174, 68880, 75320, 77203, 88232, 90384, 110290, 112980, 132348, 150640, 154406, 165435, 176464, 220580, 225960, 231609, 264696, 308812, 330870, 386015, 441160, 451920, 463218, 529392, 617624, 661740, 772030, 882320, 926436, 1158045, 1235248, 1323480, 1544060, 1852872, 2316090, 2646960, 3088120, 3705744, 4632180, 6176240, 9264360, 18528720]

約数ペア:

[(1, 18528720), (2, 9264360), (3, 6176240), (4, 4632180), (5, 3705744), (6, 3088120), (7, 2646960), (8, 2316090), (10, 1852872), (12, 1544060), (14, 1323480), (15, 1235248), (16, 1158045), (20, 926436), (21, 882320), (24, 772030), (28, 661740), (30, 617624), (35, 529392), (40, 463218), (41, 451920), (42, 441160), (48, 386015), (56, 330870), (60, 308812), (70, 264696), (80, 231609), (82, 225960), (84, 220580), (105, 176464), (112, 165435), (120, 154406), (123, 150640), (140, 132348), (164, 112980), (168, 110290), (205, 90384), (210, 88232), (240, 77203), (246, 75320), (269, 68880), (280, 66174), (287, 64560), (328, 56490), (336, 55145), (410, 45192), (420, 44116), (492, 37660), (538, 34440), (560, 33087), (574, 32280), (615, 30128), (656, 28245), (807, 22960), (820, 22596), (840, 22058), (861, 21520), (984, 18830), (1076, 17220), (1148, 16140), (1230, 15064), (1345, 13776), (1435, 12912), (1614, 11480), (1640, 11298), (1680, 11029), (1722, 10760), (1883, 9840), (1968, 9415), (2152, 8610), (2296, 8070), (2460, 7532), (2690, 6888), (2870, 6456), (3228, 5740), (3280, 5649), (3444, 5380), (3766, 4920), (4035, 4592), (4304, 4305)]