22721010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 42597390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 23, 26, 30, 34, 39, 46, 51, 65, 69, 78, 85, 102, 115, 130, 138, 149, 170, 195, 221, 230, 255, 298, 299, 345, 390, 391, 442, 447, 510, 598, 663, 690, 745, 782, 894, 897, 1105, 1173, 1326, 1490, 1495, 1794, 1937, 1955, 2210, 2235, 2346, 2533, 2990, 3315, 3427, 3874, 3910, 4470, 4485, 5066, 5083, 5811, 5865, 6630, 6854, 7599, 8970, 9685, 10166, 10281, 11622, 11730, 12665, 15198, 15249, 17135, 19370, 20562, 25330, 25415, 29055, 30498, 32929, 34270, 37995, 44551, 50830, 51405, 58110, 58259, 65858, 75990, 76245, 89102, 98787, 102810, 116518, 133653, 152490, 164645, 174777, 197574, 222755, 267306, 291295, 329290, 349554, 445510, 493935, 582590, 668265, 757367, 873885, 987870, 1336530, 1514734, 1747770, 2272101, 3786835, 4544202, 7573670, 11360505, 22721010]

約数ペア:

[(1, 22721010), (2, 11360505), (3, 7573670), (5, 4544202), (6, 3786835), (10, 2272101), (13, 1747770), (15, 1514734), (17, 1336530), (23, 987870), (26, 873885), (30, 757367), (34, 668265), (39, 582590), (46, 493935), (51, 445510), (65, 349554), (69, 329290), (78, 291295), (85, 267306), (102, 222755), (115, 197574), (130, 174777), (138, 164645), (149, 152490), (170, 133653), (195, 116518), (221, 102810), (230, 98787), (255, 89102), (298, 76245), (299, 75990), (345, 65858), (390, 58259), (391, 58110), (442, 51405), (447, 50830), (510, 44551), (598, 37995), (663, 34270), (690, 32929), (745, 30498), (782, 29055), (894, 25415), (897, 25330), (1105, 20562), (1173, 19370), (1326, 17135), (1490, 15249), (1495, 15198), (1794, 12665), (1937, 11730), (1955, 11622), (2210, 10281), (2235, 10166), (2346, 9685), (2533, 8970), (2990, 7599), (3315, 6854), (3427, 6630), (3874, 5865), (3910, 5811), (4470, 5083), (4485, 5066)]