217701840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1085

約数の個数: 160

約数和(自身を含む): 721382400

約数和(自身を除く): 503680560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 31, 40, 48, 58, 60, 62, 80, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 240, 248, 290, 310, 348, 372, 435, 464, 465, 496, 580, 620, 696, 744, 870, 899, 930, 1009, 1160, 1240, 1392, 1488, 1740, 1798, 1860, 2018, 2320, 2480, 2697, 3027, 3480, 3596, 3720, 4036, 4495, 5045, 5394, 6054, 6960, 7192, 7440, 8072, 8990, 10090, 10788, 12108, 13485, 14384, 15135, 16144, 17980, 20180, 21576, 24216, 26970, 29261, 30270, 31279, 35960, 40360, 43152, 48432, 53940, 58522, 60540, 62558, 71920, 80720, 87783, 93837, 107880, 117044, 121080, 125116, 146305, 156395, 175566, 187674, 215760, 234088, 242160, 250232, 292610, 312790, 351132, 375348, 438915, 468176, 469185, 500464, 585220, 625580, 702264, 750696, 877830, 907091, 938370, 1170440, 1251160, 1404528, 1501392, 1755660, 1814182, 1876740, 2340880, 2502320, 2721273, 3511320, 3628364, 3753480, 4535455, 5442546, 7022640, 7256728, 7506960, 9070910, 10885092, 13606365, 14513456, 18141820, 21770184, 27212730, 36283640, 43540368, 54425460, 72567280, 108850920, 217701840]

約数ペア:

[(1, 217701840), (2, 108850920), (3, 72567280), (4, 54425460), (5, 43540368), (6, 36283640), (8, 27212730), (10, 21770184), (12, 18141820), (15, 14513456), (16, 13606365), (20, 10885092), (24, 9070910), (29, 7506960), (30, 7256728), (31, 7022640), (40, 5442546), (48, 4535455), (58, 3753480), (60, 3628364), (62, 3511320), (80, 2721273), (87, 2502320), (93, 2340880), (116, 1876740), (120, 1814182), (124, 1755660), (145, 1501392), (155, 1404528), (174, 1251160), (186, 1170440), (232, 938370), (240, 907091), (248, 877830), (290, 750696), (310, 702264), (348, 625580), (372, 585220), (435, 500464), (464, 469185), (465, 468176), (496, 438915), (580, 375348), (620, 351132), (696, 312790), (744, 292610), (870, 250232), (899, 242160), (930, 234088), (1009, 215760), (1160, 187674), (1240, 175566), (1392, 156395), (1488, 146305), (1740, 125116), (1798, 121080), (1860, 117044), (2018, 107880), (2320, 93837), (2480, 87783), (2697, 80720), (3027, 71920), (3480, 62558), (3596, 60540), (3720, 58522), (4036, 53940), (4495, 48432), (5045, 43152), (5394, 40360), (6054, 35960), (6960, 31279), (7192, 30270), (7440, 29261), (8072, 26970), (8990, 24216), (10090, 21576), (10788, 20180), (12108, 17980), (13485, 16144), (14384, 15135)]