18455580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 49282020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 165, 180, 195, 198, 220, 234, 239, 260, 270, 286, 297, 330, 351, 390, 396, 429, 468, 478, 495, 540, 572, 585, 594, 660, 702, 715, 717, 780, 858, 956, 990, 1170, 1188, 1195, 1287, 1404, 1430, 1434, 1485, 1716, 1755, 1980, 2145, 2151, 2340, 2390, 2574, 2629, 2860, 2868, 2970, 3107, 3510, 3585, 3861, 4290, 4302, 4780, 5148, 5258, 5940, 6214, 6435, 6453, 7020, 7170, 7722, 7887, 8580, 8604, 9321, 10516, 10755, 12428, 12870, 12906, 13145, 14340, 15444, 15535, 15774, 18642, 19305, 21510, 23661, 25740, 25812, 26290, 27963, 31070, 31548, 32265, 34177, 37284, 38610, 39435, 43020, 46605, 47322, 52580, 55926, 62140, 64530, 68354, 70983, 77220, 78870, 83889, 93210, 94644, 102531, 111852, 118305, 129060, 136708, 139815, 141966, 157740, 167778, 170885, 186420, 205062, 236610, 279630, 283932, 307593, 335556, 341770, 354915, 410124, 419445, 473220, 512655, 559260, 615186, 683540, 709830, 838890, 922779, 1025310, 1230372, 1419660, 1537965, 1677780, 1845558, 2050620, 3075930, 3691116, 4613895, 6151860, 9227790, 18455580]

約数ペア:

[(1, 18455580), (2, 9227790), (3, 6151860), (4, 4613895), (5, 3691116), (6, 3075930), (9, 2050620), (10, 1845558), (11, 1677780), (12, 1537965), (13, 1419660), (15, 1230372), (18, 1025310), (20, 922779), (22, 838890), (26, 709830), (27, 683540), (30, 615186), (33, 559260), (36, 512655), (39, 473220), (44, 419445), (45, 410124), (52, 354915), (54, 341770), (55, 335556), (60, 307593), (65, 283932), (66, 279630), (78, 236610), (90, 205062), (99, 186420), (108, 170885), (110, 167778), (117, 157740), (130, 141966), (132, 139815), (135, 136708), (143, 129060), (156, 118305), (165, 111852), (180, 102531), (195, 94644), (198, 93210), (220, 83889), (234, 78870), (239, 77220), (260, 70983), (270, 68354), (286, 64530), (297, 62140), (330, 55926), (351, 52580), (390, 47322), (396, 46605), (429, 43020), (468, 39435), (478, 38610), (495, 37284), (540, 34177), (572, 32265), (585, 31548), (594, 31070), (660, 27963), (702, 26290), (715, 25812), (717, 25740), (780, 23661), (858, 21510), (956, 19305), (990, 18642), (1170, 15774), (1188, 15535), (1195, 15444), (1287, 14340), (1404, 13145), (1430, 12906), (1434, 12870), (1485, 12428), (1716, 10755), (1755, 10516), (1980, 9321), (2145, 8604), (2151, 8580), (2340, 7887), (2390, 7722), (2574, 7170), (2629, 7020), (2860, 6453), (2868, 6435), (2970, 6214), (3107, 5940), (3510, 5258), (3585, 5148), (3861, 4780), (4290, 4302)]