131939720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 354585600

約数和(自身を除く): 222645880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 187, 220, 248, 310, 340, 341, 374, 440, 527, 569, 620, 680, 682, 748, 935, 1054, 1138, 1240, 1364, 1496, 1705, 1870, 2108, 2276, 2635, 2728, 2845, 3410, 3740, 4216, 4552, 5270, 5690, 5797, 6259, 6820, 7480, 9673, 10540, 11380, 11594, 12518, 13640, 17639, 19346, 21080, 22760, 23188, 25036, 28985, 31295, 35278, 38692, 46376, 48365, 50072, 57970, 62590, 70556, 77384, 88195, 96730, 106403, 115940, 125180, 141112, 176390, 193460, 194029, 212806, 231880, 250360, 299863, 352780, 386920, 388058, 425612, 532015, 599726, 705560, 776116, 851224, 970145, 1064030, 1199452, 1499315, 1552232, 1940290, 2128060, 2398904, 2998630, 3298493, 3880580, 4256120, 5997260, 6596986, 7761160, 11994520, 13193972, 16492465, 26387944, 32984930, 65969860, 131939720]

約数ペア:

[(1, 131939720), (2, 65969860), (4, 32984930), (5, 26387944), (8, 16492465), (10, 13193972), (11, 11994520), (17, 7761160), (20, 6596986), (22, 5997260), (31, 4256120), (34, 3880580), (40, 3298493), (44, 2998630), (55, 2398904), (62, 2128060), (68, 1940290), (85, 1552232), (88, 1499315), (110, 1199452), (124, 1064030), (136, 970145), (155, 851224), (170, 776116), (187, 705560), (220, 599726), (248, 532015), (310, 425612), (340, 388058), (341, 386920), (374, 352780), (440, 299863), (527, 250360), (569, 231880), (620, 212806), (680, 194029), (682, 193460), (748, 176390), (935, 141112), (1054, 125180), (1138, 115940), (1240, 106403), (1364, 96730), (1496, 88195), (1705, 77384), (1870, 70556), (2108, 62590), (2276, 57970), (2635, 50072), (2728, 48365), (2845, 46376), (3410, 38692), (3740, 35278), (4216, 31295), (4552, 28985), (5270, 25036), (5690, 23188), (5797, 22760), (6259, 21080), (6820, 19346), (7480, 17639), (9673, 13640), (10540, 12518), (11380, 11594)]