18661500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 288

約数和(自身を含む): 71547840

約数和(自身を除く): 52886340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 25, 26, 29, 30, 33, 36, 39, 44, 45, 50, 52, 55, 58, 60, 65, 66, 75, 78, 87, 90, 99, 100, 110, 116, 117, 125, 130, 132, 143, 145, 150, 156, 165, 174, 180, 195, 198, 220, 225, 234, 250, 260, 261, 275, 286, 290, 300, 319, 325, 330, 348, 375, 377, 390, 396, 429, 435, 450, 468, 495, 500, 522, 550, 572, 580, 585, 638, 650, 660, 715, 725, 750, 754, 780, 825, 858, 870, 900, 957, 975, 990, 1044, 1100, 1125, 1131, 1170, 1276, 1287, 1300, 1305, 1375, 1430, 1450, 1500, 1508, 1595, 1625, 1650, 1716, 1740, 1885, 1914, 1950, 1980, 2145, 2175, 2250, 2262, 2340, 2475, 2574, 2610, 2750, 2860, 2871, 2900, 2925, 3190, 3250, 3300, 3393, 3575, 3625, 3770, 3828, 3900, 4125, 4147, 4290, 4350, 4500, 4524, 4785, 4875, 4950, 5148, 5220, 5500, 5655, 5742, 5850, 6380, 6435, 6500, 6525, 6786, 7150, 7250, 7540, 7975, 8250, 8294, 8580, 8700, 9425, 9570, 9750, 9900, 10725, 10875, 11310, 11484, 11700, 12375, 12441, 12870, 13050, 13572, 14300, 14355, 14500, 14625, 15950, 16500, 16588, 16965, 17875, 18850, 19140, 19500, 20735, 21450, 21750, 22620, 23925, 24750, 24882, 25740, 26100, 28275, 28710, 29250, 31900, 32175, 32625, 33930, 35750, 37323, 37700, 39875, 41470, 42900, 43500, 47125, 47850, 49500, 49764, 53625, 56550, 57420, 58500, 62205, 64350, 65250, 67860, 71500, 71775, 74646, 79750, 82940, 84825, 94250, 95700, 103675, 107250, 113100, 119625, 124410, 128700, 130500, 141375, 143550, 149292, 159500, 160875, 169650, 186615, 188500, 207350, 214500, 239250, 248820, 282750, 287100, 311025, 321750, 339300, 358875, 373230, 414700, 424125, 478500, 518375, 565500, 622050, 643500, 717750, 746460, 848250, 933075, 1036750, 1244100, 1435500, 1555125, 1696500, 1866150, 2073500, 3110250, 3732300, 4665375, 6220500, 9330750, 18661500]

約数ペア:

[(1, 18661500), (2, 9330750), (3, 6220500), (4, 4665375), (5, 3732300), (6, 3110250), (9, 2073500), (10, 1866150), (11, 1696500), (12, 1555125), (13, 1435500), (15, 1244100), (18, 1036750), (20, 933075), (22, 848250), (25, 746460), (26, 717750), (29, 643500), (30, 622050), (33, 565500), (36, 518375), (39, 478500), (44, 424125), (45, 414700), (50, 373230), (52, 358875), (55, 339300), (58, 321750), (60, 311025), (65, 287100), (66, 282750), (75, 248820), (78, 239250), (87, 214500), (90, 207350), (99, 188500), (100, 186615), (110, 169650), (116, 160875), (117, 159500), (125, 149292), (130, 143550), (132, 141375), (143, 130500), (145, 128700), (150, 124410), (156, 119625), (165, 113100), (174, 107250), (180, 103675), (195, 95700), (198, 94250), (220, 84825), (225, 82940), (234, 79750), (250, 74646), (260, 71775), (261, 71500), (275, 67860), (286, 65250), (290, 64350), (300, 62205), (319, 58500), (325, 57420), (330, 56550), (348, 53625), (375, 49764), (377, 49500), (390, 47850), (396, 47125), (429, 43500), (435, 42900), (450, 41470), (468, 39875), (495, 37700), (500, 37323), (522, 35750), (550, 33930), (572, 32625), (580, 32175), (585, 31900), (638, 29250), (650, 28710), (660, 28275), (715, 26100), (725, 25740), (750, 24882), (754, 24750), (780, 23925), (825, 22620), (858, 21750), (870, 21450), (900, 20735), (957, 19500), (975, 19140), (990, 18850), (1044, 17875), (1100, 16965), (1125, 16588), (1131, 16500), (1170, 15950), (1276, 14625), (1287, 14500), (1300, 14355), (1305, 14300), (1375, 13572), (1430, 13050), (1450, 12870), (1500, 12441), (1508, 12375), (1595, 11700), (1625, 11484), (1650, 11310), (1716, 10875), (1740, 10725), (1885, 9900), (1914, 9750), (1950, 9570), (1980, 9425), (2145, 8700), (2175, 8580), (2250, 8294), (2262, 8250), (2340, 7975), (2475, 7540), (2574, 7250), (2610, 7150), (2750, 6786), (2860, 6525), (2871, 6500), (2900, 6435), (2925, 6380), (3190, 5850), (3250, 5742), (3300, 5655), (3393, 5500), (3575, 5220), (3625, 5148), (3770, 4950), (3828, 4875), (3900, 4785), (4125, 4524), (4147, 4500), (4290, 4350)]