71509620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1910

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 179458188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1871, 1911, 2548, 2730, 2940, 3185, 3742, 3822, 5460, 5613, 6370, 7484, 7644, 9355, 9555, 11226, 12740, 13097, 18710, 19110, 22452, 24323, 26194, 28065, 37420, 38220, 39291, 48646, 52388, 56130, 65485, 72969, 78582, 91679, 97292, 112260, 121615, 130970, 145938, 157164, 170261, 183358, 196455, 243230, 261940, 275037, 291876, 340522, 364845, 366716, 392910, 458395, 486460, 510783, 550074, 681044, 729690, 785820, 851305, 916790, 1021566, 1100148, 1191827, 1375185, 1459380, 1702610, 1833580, 2043132, 2383654, 2553915, 2750370, 3405220, 3575481, 4767308, 5107830, 5500740, 5959135, 7150962, 10215660, 11918270, 14301924, 17877405, 23836540, 35754810, 71509620]

約数ペア:

[(1, 71509620), (2, 35754810), (3, 23836540), (4, 17877405), (5, 14301924), (6, 11918270), (7, 10215660), (10, 7150962), (12, 5959135), (13, 5500740), (14, 5107830), (15, 4767308), (20, 3575481), (21, 3405220), (26, 2750370), (28, 2553915), (30, 2383654), (35, 2043132), (39, 1833580), (42, 1702610), (49, 1459380), (52, 1375185), (60, 1191827), (65, 1100148), (70, 1021566), (78, 916790), (84, 851305), (91, 785820), (98, 729690), (105, 681044), (130, 550074), (140, 510783), (147, 486460), (156, 458395), (182, 392910), (195, 366716), (196, 364845), (210, 340522), (245, 291876), (260, 275037), (273, 261940), (294, 243230), (364, 196455), (390, 183358), (420, 170261), (455, 157164), (490, 145938), (546, 130970), (588, 121615), (637, 112260), (735, 97292), (780, 91679), (910, 78582), (980, 72969), (1092, 65485), (1274, 56130), (1365, 52388), (1470, 48646), (1820, 39291), (1871, 38220), (1911, 37420), (2548, 28065), (2730, 26194), (2940, 24323), (3185, 22452), (3742, 19110), (3822, 18710), (5460, 13097), (5613, 12740), (6370, 11226), (7484, 9555), (7644, 9355)]