71163680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 202963320

約数和(自身を除く): 131799640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 313, 392, 406, 464, 490, 560, 580, 626, 784, 812, 928, 980, 1015, 1120, 1160, 1252, 1421, 1565, 1568, 1624, 1960, 2030, 2191, 2320, 2504, 2842, 3130, 3248, 3920, 4060, 4382, 4640, 5008, 5684, 6260, 6496, 7105, 7840, 8120, 8764, 9077, 10016, 10955, 11368, 12520, 14210, 15337, 16240, 17528, 18154, 21910, 22736, 25040, 28420, 30674, 32480, 35056, 36308, 43820, 45385, 45472, 50080, 56840, 61348, 63539, 70112, 72616, 76685, 87640, 90770, 113680, 122696, 127078, 145232, 153370, 175280, 181540, 227360, 245392, 254156, 290464, 306740, 317695, 350560, 363080, 444773, 490784, 508312, 613480, 635390, 726160, 889546, 1016624, 1226960, 1270780, 1452320, 1779092, 2033248, 2223865, 2453920, 2541560, 3558184, 4447730, 5083120, 7116368, 8895460, 10166240, 14232736, 17790920, 35581840, 71163680]

約数ペア:

[(1, 71163680), (2, 35581840), (4, 17790920), (5, 14232736), (7, 10166240), (8, 8895460), (10, 7116368), (14, 5083120), (16, 4447730), (20, 3558184), (28, 2541560), (29, 2453920), (32, 2223865), (35, 2033248), (40, 1779092), (49, 1452320), (56, 1270780), (58, 1226960), (70, 1016624), (80, 889546), (98, 726160), (112, 635390), (116, 613480), (140, 508312), (145, 490784), (160, 444773), (196, 363080), (203, 350560), (224, 317695), (232, 306740), (245, 290464), (280, 254156), (290, 245392), (313, 227360), (392, 181540), (406, 175280), (464, 153370), (490, 145232), (560, 127078), (580, 122696), (626, 113680), (784, 90770), (812, 87640), (928, 76685), (980, 72616), (1015, 70112), (1120, 63539), (1160, 61348), (1252, 56840), (1421, 50080), (1565, 45472), (1568, 45385), (1624, 43820), (1960, 36308), (2030, 35056), (2191, 32480), (2320, 30674), (2504, 28420), (2842, 25040), (3130, 22736), (3248, 21910), (3920, 18154), (4060, 17528), (4382, 16240), (4640, 15337), (5008, 14210), (5684, 12520), (6260, 11368), (6496, 10955), (7105, 10016), (7840, 9077), (8120, 8764)]