139681980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26759}}^1$

素因数の和:26803

約数の個数: 72

約数和(自身を含む): 438328800

約数和(自身を除く): 298646820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 26759, 53518, 80277, 107036, 133795, 160554, 240831, 267590, 321108, 401385, 481662, 535180, 776011, 802770, 963324, 1204155, 1552022, 1605540, 2328033, 2408310, 3104044, 3880055, 4656066, 4816620, 6984099, 7760110, 9312132, 11640165, 13968198, 15520220, 23280330, 27936396, 34920495, 46560660, 69840990, 139681980]

約数ペア:

[(1, 139681980), (2, 69840990), (3, 46560660), (4, 34920495), (5, 27936396), (6, 23280330), (9, 15520220), (10, 13968198), (12, 11640165), (15, 9312132), (18, 7760110), (20, 6984099), (29, 4816620), (30, 4656066), (36, 3880055), (45, 3104044), (58, 2408310), (60, 2328033), (87, 1605540), (90, 1552022), (116, 1204155), (145, 963324), (174, 802770), (180, 776011), (261, 535180), (290, 481662), (348, 401385), (435, 321108), (522, 267590), (580, 240831), (870, 160554), (1044, 133795), (1305, 107036), (1740, 80277), (2610, 53518), (5220, 26759)]