188080720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 454970880

約数和(自身を除く): 266890160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 362, 419, 496, 620, 724, 838, 905, 1240, 1448, 1676, 1810, 2095, 2480, 2896, 3352, 3620, 4190, 5611, 6704, 7240, 8380, 11222, 12989, 14480, 16760, 22444, 25978, 28055, 33520, 44888, 51956, 56110, 64945, 75839, 89776, 103912, 112220, 129890, 151678, 207824, 224440, 259780, 303356, 379195, 448880, 519560, 606712, 758390, 1039120, 1213424, 1516780, 2351009, 3033560, 4702018, 6067120, 9404036, 11755045, 18808072, 23510090, 37616144, 47020180, 94040360, 188080720]

約数ペア:

[(1, 188080720), (2, 94040360), (4, 47020180), (5, 37616144), (8, 23510090), (10, 18808072), (16, 11755045), (20, 9404036), (31, 6067120), (40, 4702018), (62, 3033560), (80, 2351009), (124, 1516780), (155, 1213424), (181, 1039120), (248, 758390), (310, 606712), (362, 519560), (419, 448880), (496, 379195), (620, 303356), (724, 259780), (838, 224440), (905, 207824), (1240, 151678), (1448, 129890), (1676, 112220), (1810, 103912), (2095, 89776), (2480, 75839), (2896, 64945), (3352, 56110), (3620, 51956), (4190, 44888), (5611, 33520), (6704, 28055), (7240, 25978), (8380, 22444), (11222, 16760), (12989, 14480)]