78911700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:786

約数の個数: 144

約数和(自身を含む): 266232960

約数和(自身を除く): 187321260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 53, 60, 70, 75, 84, 100, 105, 106, 140, 150, 159, 175, 210, 212, 265, 300, 318, 350, 371, 420, 525, 530, 636, 700, 709, 742, 795, 1050, 1060, 1113, 1325, 1418, 1484, 1590, 1855, 2100, 2127, 2226, 2650, 2836, 3180, 3545, 3710, 3975, 4254, 4452, 4963, 5300, 5565, 7090, 7420, 7950, 8508, 9275, 9926, 10635, 11130, 14180, 14889, 15900, 17725, 18550, 19852, 21270, 22260, 24815, 27825, 29778, 35450, 37100, 37577, 42540, 49630, 53175, 55650, 59556, 70900, 74445, 75154, 99260, 106350, 111300, 112731, 124075, 148890, 150308, 187885, 212700, 225462, 248150, 263039, 297780, 372225, 375770, 450924, 496300, 526078, 563655, 744450, 751540, 789117, 939425, 1052156, 1127310, 1315195, 1488900, 1578234, 1878850, 2254620, 2630390, 2818275, 3156468, 3757700, 3945585, 5260780, 5636550, 6575975, 7891170, 11273100, 13151950, 15782340, 19727925, 26303900, 39455850, 78911700]

約数ペア:

[(1, 78911700), (2, 39455850), (3, 26303900), (4, 19727925), (5, 15782340), (6, 13151950), (7, 11273100), (10, 7891170), (12, 6575975), (14, 5636550), (15, 5260780), (20, 3945585), (21, 3757700), (25, 3156468), (28, 2818275), (30, 2630390), (35, 2254620), (42, 1878850), (50, 1578234), (53, 1488900), (60, 1315195), (70, 1127310), (75, 1052156), (84, 939425), (100, 789117), (105, 751540), (106, 744450), (140, 563655), (150, 526078), (159, 496300), (175, 450924), (210, 375770), (212, 372225), (265, 297780), (300, 263039), (318, 248150), (350, 225462), (371, 212700), (420, 187885), (525, 150308), (530, 148890), (636, 124075), (700, 112731), (709, 111300), (742, 106350), (795, 99260), (1050, 75154), (1060, 74445), (1113, 70900), (1325, 59556), (1418, 55650), (1484, 53175), (1590, 49630), (1855, 42540), (2100, 37577), (2127, 37100), (2226, 35450), (2650, 29778), (2836, 27825), (3180, 24815), (3545, 22260), (3710, 21270), (3975, 19852), (4254, 18550), (4452, 17725), (4963, 15900), (5300, 14889), (5565, 14180), (7090, 11130), (7420, 10635), (7950, 9926), (8508, 9275)]