131068140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 431877600

約数和(自身を除く): 300809460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 196, 210, 218, 245, 294, 327, 409, 420, 436, 490, 545, 588, 654, 735, 763, 818, 980, 1090, 1227, 1308, 1470, 1526, 1635, 1636, 2045, 2180, 2289, 2454, 2863, 2940, 3052, 3270, 3815, 4090, 4578, 4908, 5341, 5726, 6135, 6540, 7630, 8180, 8589, 9156, 10682, 11445, 11452, 12270, 14315, 15260, 16023, 17178, 20041, 21364, 22890, 24540, 26705, 28630, 32046, 34356, 40082, 42945, 44581, 45780, 53410, 57260, 60123, 64092, 80115, 80164, 85890, 89162, 100205, 106820, 120246, 133743, 160230, 171780, 178324, 200410, 222905, 240492, 267486, 300615, 312067, 320460, 400820, 445810, 534972, 601230, 624134, 668715, 891620, 936201, 1202460, 1248268, 1337430, 1560335, 1872402, 2184469, 2674860, 3120670, 3744804, 4368938, 4681005, 6241340, 6553407, 8737876, 9362010, 10922345, 13106814, 18724020, 21844690, 26213628, 32767035, 43689380, 65534070, 131068140]

約数ペア:

[(1, 131068140), (2, 65534070), (3, 43689380), (4, 32767035), (5, 26213628), (6, 21844690), (7, 18724020), (10, 13106814), (12, 10922345), (14, 9362010), (15, 8737876), (20, 6553407), (21, 6241340), (28, 4681005), (30, 4368938), (35, 3744804), (42, 3120670), (49, 2674860), (60, 2184469), (70, 1872402), (84, 1560335), (98, 1337430), (105, 1248268), (109, 1202460), (140, 936201), (147, 891620), (196, 668715), (210, 624134), (218, 601230), (245, 534972), (294, 445810), (327, 400820), (409, 320460), (420, 312067), (436, 300615), (490, 267486), (545, 240492), (588, 222905), (654, 200410), (735, 178324), (763, 171780), (818, 160230), (980, 133743), (1090, 120246), (1227, 106820), (1308, 100205), (1470, 89162), (1526, 85890), (1635, 80164), (1636, 80115), (2045, 64092), (2180, 60123), (2289, 57260), (2454, 53410), (2863, 45780), (2940, 44581), (3052, 42945), (3270, 40082), (3815, 34356), (4090, 32046), (4578, 28630), (4908, 26705), (5341, 24540), (5726, 22890), (6135, 21364), (6540, 20041), (7630, 17178), (8180, 16023), (8589, 15260), (9156, 14315), (10682, 12270), (11445, 11452)]