280123740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2029}}^1$

素因数の和:2116

約数の個数: 144

約数和(自身を含む): 931039200

約数和(自身を除く): 650915460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 90, 117, 118, 130, 156, 177, 180, 195, 234, 236, 260, 295, 354, 390, 468, 531, 585, 590, 708, 767, 780, 885, 1062, 1170, 1180, 1534, 1770, 2029, 2124, 2301, 2340, 2655, 3068, 3540, 3835, 4058, 4602, 5310, 6087, 6903, 7670, 8116, 9204, 10145, 10620, 11505, 12174, 13806, 15340, 18261, 20290, 23010, 24348, 26377, 27612, 30435, 34515, 36522, 40580, 46020, 52754, 60870, 69030, 73044, 79131, 91305, 105508, 119711, 121740, 131885, 138060, 158262, 182610, 237393, 239422, 263770, 316524, 359133, 365220, 395655, 474786, 478844, 527540, 598555, 718266, 791310, 949572, 1077399, 1186965, 1197110, 1436532, 1556243, 1582620, 1795665, 2154798, 2373930, 2394220, 3112486, 3591330, 4309596, 4668729, 4747860, 5386995, 6224972, 7182660, 7781215, 9337458, 10773990, 14006187, 15562430, 18674916, 21547980, 23343645, 28012374, 31124860, 46687290, 56024748, 70030935, 93374580, 140061870, 280123740]

約数ペア:

[(1, 280123740), (2, 140061870), (3, 93374580), (4, 70030935), (5, 56024748), (6, 46687290), (9, 31124860), (10, 28012374), (12, 23343645), (13, 21547980), (15, 18674916), (18, 15562430), (20, 14006187), (26, 10773990), (30, 9337458), (36, 7781215), (39, 7182660), (45, 6224972), (52, 5386995), (59, 4747860), (60, 4668729), (65, 4309596), (78, 3591330), (90, 3112486), (117, 2394220), (118, 2373930), (130, 2154798), (156, 1795665), (177, 1582620), (180, 1556243), (195, 1436532), (234, 1197110), (236, 1186965), (260, 1077399), (295, 949572), (354, 791310), (390, 718266), (468, 598555), (531, 527540), (585, 478844), (590, 474786), (708, 395655), (767, 365220), (780, 359133), (885, 316524), (1062, 263770), (1170, 239422), (1180, 237393), (1534, 182610), (1770, 158262), (2029, 138060), (2124, 131885), (2301, 121740), (2340, 119711), (2655, 105508), (3068, 91305), (3540, 79131), (3835, 73044), (4058, 69030), (4602, 60870), (5310, 52754), (6087, 46020), (6903, 40580), (7670, 36522), (8116, 34515), (9204, 30435), (10145, 27612), (10620, 26377), (11505, 24348), (12174, 23010), (13806, 20290), (15340, 18261)]