240442920

素因数分解:

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

素因数の和:520

約数の個数: 192

約数和(自身を含む): 828921600

約数和(自身を除く): 588478680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 71, 72, 90, 92, 115, 120, 138, 142, 180, 184, 207, 213, 230, 276, 284, 345, 355, 360, 409, 414, 426, 460, 552, 568, 639, 690, 710, 818, 828, 852, 920, 1035, 1065, 1227, 1278, 1380, 1420, 1633, 1636, 1656, 1704, 2045, 2070, 2130, 2454, 2556, 2760, 2840, 3195, 3266, 3272, 3681, 4090, 4140, 4260, 4899, 4908, 5112, 6135, 6390, 6532, 7362, 8165, 8180, 8280, 8520, 9407, 9798, 9816, 12270, 12780, 13064, 14697, 14724, 16330, 16360, 18405, 18814, 19596, 24495, 24540, 25560, 28221, 29039, 29394, 29448, 32660, 36810, 37628, 39192, 47035, 48990, 49080, 56442, 58078, 58788, 65320, 73485, 73620, 75256, 84663, 87117, 94070, 97980, 112884, 116156, 117576, 141105, 145195, 146970, 147240, 169326, 174234, 188140, 195960, 225768, 232312, 261351, 282210, 290390, 293940, 338652, 348468, 376280, 423315, 435585, 522702, 564420, 580780, 587880, 667897, 677304, 696936, 846630, 871170, 1045404, 1128840, 1161560, 1306755, 1335794, 1693260, 1742340, 2003691, 2090808, 2613510, 2671588, 3339485, 3386520, 3484680, 4007382, 5227020, 5343176, 6011073, 6678970, 8014764, 10018455, 10454040, 12022146, 13357940, 16029528, 20036910, 24044292, 26715880, 30055365, 40073820, 48088584, 60110730, 80147640, 120221460, 240442920]

約数ペア:

[(1, 240442920), (2, 120221460), (3, 80147640), (4, 60110730), (5, 48088584), (6, 40073820), (8, 30055365), (9, 26715880), (10, 24044292), (12, 20036910), (15, 16029528), (18, 13357940), (20, 12022146), (23, 10454040), (24, 10018455), (30, 8014764), (36, 6678970), (40, 6011073), (45, 5343176), (46, 5227020), (60, 4007382), (69, 3484680), (71, 3386520), (72, 3339485), (90, 2671588), (92, 2613510), (115, 2090808), (120, 2003691), (138, 1742340), (142, 1693260), (180, 1335794), (184, 1306755), (207, 1161560), (213, 1128840), (230, 1045404), (276, 871170), (284, 846630), (345, 696936), (355, 677304), (360, 667897), (409, 587880), (414, 580780), (426, 564420), (460, 522702), (552, 435585), (568, 423315), (639, 376280), (690, 348468), (710, 338652), (818, 293940), (828, 290390), (852, 282210), (920, 261351), (1035, 232312), (1065, 225768), (1227, 195960), (1278, 188140), (1380, 174234), (1420, 169326), (1633, 147240), (1636, 146970), (1656, 145195), (1704, 141105), (2045, 117576), (2070, 116156), (2130, 112884), (2454, 97980), (2556, 94070), (2760, 87117), (2840, 84663), (3195, 75256), (3266, 73620), (3272, 73485), (3681, 65320), (4090, 58788), (4140, 58078), (4260, 56442), (4899, 49080), (4908, 48990), (5112, 47035), (6135, 39192), (6390, 37628), (6532, 36810), (7362, 32660), (8165, 29448), (8180, 29394), (8280, 29039), (8520, 28221), (9407, 25560), (9798, 24540), (9816, 24495), (12270, 19596), (12780, 18814), (13064, 18405), (14697, 16360), (14724, 16330)]