156659120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 379142400

約数和(自身を除く): 222483280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 349, 362, 496, 620, 698, 724, 905, 1240, 1396, 1448, 1745, 1810, 2480, 2792, 2896, 3490, 3620, 5584, 5611, 6980, 7240, 10819, 11222, 13960, 14480, 21638, 22444, 27920, 28055, 43276, 44888, 54095, 56110, 63169, 86552, 89776, 108190, 112220, 126338, 173104, 216380, 224440, 252676, 315845, 432760, 448880, 505352, 631690, 865520, 1010704, 1263380, 1958239, 2526760, 3916478, 5053520, 7832956, 9791195, 15665912, 19582390, 31331824, 39164780, 78329560, 156659120]

約数ペア:

[(1, 156659120), (2, 78329560), (4, 39164780), (5, 31331824), (8, 19582390), (10, 15665912), (16, 9791195), (20, 7832956), (31, 5053520), (40, 3916478), (62, 2526760), (80, 1958239), (124, 1263380), (155, 1010704), (181, 865520), (248, 631690), (310, 505352), (349, 448880), (362, 432760), (496, 315845), (620, 252676), (698, 224440), (724, 216380), (905, 173104), (1240, 126338), (1396, 112220), (1448, 108190), (1745, 89776), (1810, 86552), (2480, 63169), (2792, 56110), (2896, 54095), (3490, 44888), (3620, 43276), (5584, 28055), (5611, 27920), (6980, 22444), (7240, 21638), (10819, 14480), (11222, 13960)]