120221460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 386830080

約数和(自身を除く): 266608620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 71, 90, 92, 115, 138, 142, 180, 207, 213, 230, 276, 284, 345, 355, 409, 414, 426, 460, 639, 690, 710, 818, 828, 852, 1035, 1065, 1227, 1278, 1380, 1420, 1633, 1636, 2045, 2070, 2130, 2454, 2556, 3195, 3266, 3681, 4090, 4140, 4260, 4899, 4908, 6135, 6390, 6532, 7362, 8165, 8180, 9407, 9798, 12270, 12780, 14697, 14724, 16330, 18405, 18814, 19596, 24495, 24540, 28221, 29039, 29394, 32660, 36810, 37628, 47035, 48990, 56442, 58078, 58788, 73485, 73620, 84663, 87117, 94070, 97980, 112884, 116156, 141105, 145195, 146970, 169326, 174234, 188140, 261351, 282210, 290390, 293940, 338652, 348468, 423315, 435585, 522702, 564420, 580780, 667897, 846630, 871170, 1045404, 1306755, 1335794, 1693260, 1742340, 2003691, 2613510, 2671588, 3339485, 4007382, 5227020, 6011073, 6678970, 8014764, 10018455, 12022146, 13357940, 20036910, 24044292, 30055365, 40073820, 60110730, 120221460]

約数ペア:

[(1, 120221460), (2, 60110730), (3, 40073820), (4, 30055365), (5, 24044292), (6, 20036910), (9, 13357940), (10, 12022146), (12, 10018455), (15, 8014764), (18, 6678970), (20, 6011073), (23, 5227020), (30, 4007382), (36, 3339485), (45, 2671588), (46, 2613510), (60, 2003691), (69, 1742340), (71, 1693260), (90, 1335794), (92, 1306755), (115, 1045404), (138, 871170), (142, 846630), (180, 667897), (207, 580780), (213, 564420), (230, 522702), (276, 435585), (284, 423315), (345, 348468), (355, 338652), (409, 293940), (414, 290390), (426, 282210), (460, 261351), (639, 188140), (690, 174234), (710, 169326), (818, 146970), (828, 145195), (852, 141105), (1035, 116156), (1065, 112884), (1227, 97980), (1278, 94070), (1380, 87117), (1420, 84663), (1633, 73620), (1636, 73485), (2045, 58788), (2070, 58078), (2130, 56442), (2454, 48990), (2556, 47035), (3195, 37628), (3266, 36810), (3681, 32660), (4090, 29394), (4140, 29039), (4260, 28221), (4899, 24540), (4908, 24495), (6135, 19596), (6390, 18814), (6532, 18405), (7362, 16330), (8165, 14724), (8180, 14697), (9407, 12780), (9798, 12270)]