178369380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2671}}^1$

素因数の和:2746

約数の個数: 144

約数和(自身を含む): 630249984

約数和(自身を除く): 451880604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2226, 2385, 2671, 3180, 3339, 3710, 4452, 4770, 5342, 5565, 6678, 7420, 8013, 9540, 10684, 11130, 13355, 13356, 16026, 16695, 18697, 22260, 24039, 26710, 32052, 33390, 37394, 40065, 48078, 53420, 56091, 66780, 74788, 80130, 93485, 96156, 112182, 120195, 141563, 160260, 168273, 186970, 224364, 240390, 280455, 283126, 336546, 373940, 424689, 480780, 560910, 566252, 673092, 707815, 841365, 849378, 990941, 1121820, 1274067, 1415630, 1682730, 1698756, 1981882, 2123445, 2548134, 2831260, 2972823, 3365460, 3963764, 4246890, 4954705, 5096268, 5945646, 6370335, 8493780, 8918469, 9909410, 11891292, 12740670, 14864115, 17836938, 19818820, 25481340, 29728230, 35673876, 44592345, 59456460, 89184690, 178369380]

約数ペア:

[(1, 178369380), (2, 89184690), (3, 59456460), (4, 44592345), (5, 35673876), (6, 29728230), (7, 25481340), (9, 19818820), (10, 17836938), (12, 14864115), (14, 12740670), (15, 11891292), (18, 9909410), (20, 8918469), (21, 8493780), (28, 6370335), (30, 5945646), (35, 5096268), (36, 4954705), (42, 4246890), (45, 3963764), (53, 3365460), (60, 2972823), (63, 2831260), (70, 2548134), (84, 2123445), (90, 1981882), (105, 1698756), (106, 1682730), (126, 1415630), (140, 1274067), (159, 1121820), (180, 990941), (210, 849378), (212, 841365), (252, 707815), (265, 673092), (315, 566252), (318, 560910), (371, 480780), (420, 424689), (477, 373940), (530, 336546), (630, 283126), (636, 280455), (742, 240390), (795, 224364), (954, 186970), (1060, 168273), (1113, 160260), (1260, 141563), (1484, 120195), (1590, 112182), (1855, 96156), (1908, 93485), (2226, 80130), (2385, 74788), (2671, 66780), (3180, 56091), (3339, 53420), (3710, 48078), (4452, 40065), (4770, 37394), (5342, 33390), (5565, 32052), (6678, 26710), (7420, 24039), (8013, 22260), (9540, 18697), (10684, 16695), (11130, 16026), (13355, 13356)]