281355960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{33023}}^1$

素因数の和:33108

約数の個数: 64

約数和(自身を含む): 855982080

約数和(自身を除く): 574626120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 33023, 66046, 99069, 132092, 165115, 198138, 264184, 330230, 396276, 495345, 660460, 792552, 990690, 1320920, 1981380, 2344633, 3962760, 4689266, 7033899, 9378532, 11723165, 14067798, 18757064, 23446330, 28135596, 35169495, 46892660, 56271192, 70338990, 93785320, 140677980, 281355960]

約数ペア:

[(1, 281355960), (2, 140677980), (3, 93785320), (4, 70338990), (5, 56271192), (6, 46892660), (8, 35169495), (10, 28135596), (12, 23446330), (15, 18757064), (20, 14067798), (24, 11723165), (30, 9378532), (40, 7033899), (60, 4689266), (71, 3962760), (120, 2344633), (142, 1981380), (213, 1320920), (284, 990690), (355, 792552), (426, 660460), (568, 495345), (710, 396276), (852, 330230), (1065, 264184), (1420, 198138), (1704, 165115), (2130, 132092), (2840, 99069), (4260, 66046), (8520, 33023)]