18382320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 180

約数和(自身を含む): 68177928

約数和(自身を除く): 49795608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 211, 220, 240, 242, 264, 330, 360, 363, 396, 422, 440, 484, 495, 528, 605, 633, 660, 720, 726, 792, 844, 880, 968, 990, 1055, 1089, 1210, 1266, 1320, 1452, 1584, 1688, 1815, 1899, 1936, 1980, 2110, 2178, 2321, 2420, 2532, 2640, 2904, 3165, 3376, 3630, 3798, 3960, 4220, 4356, 4642, 4840, 5064, 5445, 5808, 6330, 6963, 7260, 7596, 7920, 8440, 8712, 9284, 9495, 9680, 10128, 10890, 11605, 12660, 13926, 14520, 15192, 16880, 17424, 18568, 18990, 20889, 21780, 23210, 25320, 25531, 27852, 29040, 30384, 34815, 37136, 37980, 41778, 43560, 46420, 50640, 51062, 55704, 69630, 75960, 76593, 83556, 87120, 92840, 102124, 104445, 111408, 127655, 139260, 151920, 153186, 167112, 185680, 204248, 208890, 229779, 255310, 278520, 306372, 334224, 382965, 408496, 417780, 459558, 510620, 557040, 612744, 765930, 835560, 919116, 1021240, 1148895, 1225488, 1531860, 1671120, 1838232, 2042480, 2297790, 3063720, 3676464, 4595580, 6127440, 9191160, 18382320]

約数ペア:

[(1, 18382320), (2, 9191160), (3, 6127440), (4, 4595580), (5, 3676464), (6, 3063720), (8, 2297790), (9, 2042480), (10, 1838232), (11, 1671120), (12, 1531860), (15, 1225488), (16, 1148895), (18, 1021240), (20, 919116), (22, 835560), (24, 765930), (30, 612744), (33, 557040), (36, 510620), (40, 459558), (44, 417780), (45, 408496), (48, 382965), (55, 334224), (60, 306372), (66, 278520), (72, 255310), (80, 229779), (88, 208890), (90, 204248), (99, 185680), (110, 167112), (120, 153186), (121, 151920), (132, 139260), (144, 127655), (165, 111408), (176, 104445), (180, 102124), (198, 92840), (211, 87120), (220, 83556), (240, 76593), (242, 75960), (264, 69630), (330, 55704), (360, 51062), (363, 50640), (396, 46420), (422, 43560), (440, 41778), (484, 37980), (495, 37136), (528, 34815), (605, 30384), (633, 29040), (660, 27852), (720, 25531), (726, 25320), (792, 23210), (844, 21780), (880, 20889), (968, 18990), (990, 18568), (1055, 17424), (1089, 16880), (1210, 15192), (1266, 14520), (1320, 13926), (1452, 12660), (1584, 11605), (1688, 10890), (1815, 10128), (1899, 9680), (1936, 9495), (1980, 9284), (2110, 8712), (2178, 8440), (2321, 7920), (2420, 7596), (2532, 7260), (2640, 6963), (2904, 6330), (3165, 5808), (3376, 5445), (3630, 5064), (3798, 4840), (3960, 4642), (4220, 4356)]