152640280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 404974080

約数和(自身を除く): 252333800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 248, 260, 310, 340, 403, 442, 520, 527, 557, 620, 680, 806, 884, 1054, 1105, 1114, 1240, 1612, 1768, 2015, 2108, 2210, 2228, 2635, 2785, 3224, 4030, 4216, 4420, 4456, 5270, 5570, 6851, 7241, 8060, 8840, 9469, 10540, 11140, 13702, 14482, 16120, 17267, 18938, 21080, 22280, 27404, 28964, 34255, 34534, 36205, 37876, 47345, 54808, 57928, 68510, 69068, 72410, 75752, 86335, 94690, 123097, 137020, 138136, 144820, 172670, 189380, 224471, 246194, 274040, 289640, 293539, 345340, 378760, 448942, 492388, 587078, 615485, 690680, 897884, 984776, 1122355, 1174156, 1230970, 1467695, 1795768, 2244710, 2348312, 2461940, 2935390, 3816007, 4489420, 4923880, 5870780, 7632014, 8978840, 11741560, 15264028, 19080035, 30528056, 38160070, 76320140, 152640280]

約数ペア:

[(1, 152640280), (2, 76320140), (4, 38160070), (5, 30528056), (8, 19080035), (10, 15264028), (13, 11741560), (17, 8978840), (20, 7632014), (26, 5870780), (31, 4923880), (34, 4489420), (40, 3816007), (52, 2935390), (62, 2461940), (65, 2348312), (68, 2244710), (85, 1795768), (104, 1467695), (124, 1230970), (130, 1174156), (136, 1122355), (155, 984776), (170, 897884), (221, 690680), (248, 615485), (260, 587078), (310, 492388), (340, 448942), (403, 378760), (442, 345340), (520, 293539), (527, 289640), (557, 274040), (620, 246194), (680, 224471), (806, 189380), (884, 172670), (1054, 144820), (1105, 138136), (1114, 137020), (1240, 123097), (1612, 94690), (1768, 86335), (2015, 75752), (2108, 72410), (2210, 69068), (2228, 68510), (2635, 57928), (2785, 54808), (3224, 47345), (4030, 37876), (4216, 36205), (4420, 34534), (4456, 34255), (5270, 28964), (5570, 27404), (6851, 22280), (7241, 21080), (8060, 18938), (8840, 17267), (9469, 16120), (10540, 14482), (11140, 13702)]