80453340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 268894080

約数和(自身を除く): 188440740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 179, 180, 198, 220, 227, 330, 358, 396, 454, 495, 537, 660, 681, 716, 895, 908, 990, 1074, 1135, 1362, 1611, 1790, 1969, 1980, 2043, 2148, 2270, 2497, 2685, 2724, 3222, 3405, 3580, 3938, 4086, 4540, 4994, 5370, 5907, 6444, 6810, 7491, 7876, 8055, 8172, 9845, 9988, 10215, 10740, 11814, 12485, 13620, 14982, 16110, 17721, 19690, 20430, 22473, 23628, 24970, 29535, 29964, 32220, 35442, 37455, 39380, 40633, 40860, 44946, 49940, 59070, 70884, 74910, 81266, 88605, 89892, 112365, 118140, 121899, 149820, 162532, 177210, 203165, 224730, 243798, 354420, 365697, 406330, 446963, 449460, 487596, 609495, 731394, 812660, 893926, 1218990, 1340889, 1462788, 1787852, 1828485, 2234815, 2437980, 2681778, 3656970, 4022667, 4469630, 5363556, 6704445, 7313940, 8045334, 8939260, 13408890, 16090668, 20113335, 26817780, 40226670, 80453340]

約数ペア:

[(1, 80453340), (2, 40226670), (3, 26817780), (4, 20113335), (5, 16090668), (6, 13408890), (9, 8939260), (10, 8045334), (11, 7313940), (12, 6704445), (15, 5363556), (18, 4469630), (20, 4022667), (22, 3656970), (30, 2681778), (33, 2437980), (36, 2234815), (44, 1828485), (45, 1787852), (55, 1462788), (60, 1340889), (66, 1218990), (90, 893926), (99, 812660), (110, 731394), (132, 609495), (165, 487596), (179, 449460), (180, 446963), (198, 406330), (220, 365697), (227, 354420), (330, 243798), (358, 224730), (396, 203165), (454, 177210), (495, 162532), (537, 149820), (660, 121899), (681, 118140), (716, 112365), (895, 89892), (908, 88605), (990, 81266), (1074, 74910), (1135, 70884), (1362, 59070), (1611, 49940), (1790, 44946), (1969, 40860), (1980, 40633), (2043, 39380), (2148, 37455), (2270, 35442), (2497, 32220), (2685, 29964), (2724, 29535), (3222, 24970), (3405, 23628), (3580, 22473), (3938, 20430), (4086, 19690), (4540, 17721), (4994, 16110), (5370, 14982), (5907, 13620), (6444, 12485), (6810, 11814), (7491, 10740), (7876, 10215), (8055, 9988), (8172, 9845)]