780727360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4909}}^1$

素因数の和:5004

約数の個数: 112

約数和(自身を含む): 2155057920

約数和(自身を除く): 1374330560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1988, 2240, 2272, 2485, 2840, 3976, 4544, 4909, 4970, 5680, 7952, 9818, 9940, 11360, 15904, 19636, 19880, 22720, 24545, 31808, 34363, 39272, 39760, 49090, 68726, 78544, 79520, 98180, 137452, 157088, 159040, 171815, 196360, 274904, 314176, 343630, 348539, 392720, 549808, 687260, 697078, 785440, 1099616, 1374520, 1394156, 1570880, 1742695, 2199232, 2439773, 2749040, 2788312, 3485390, 4879546, 5498080, 5576624, 6970780, 9759092, 10996160, 11153248, 12198865, 13941560, 19518184, 22306496, 24397730, 27883120, 39036368, 48795460, 55766240, 78072736, 97590920, 111532480, 156145472, 195181840, 390363680, 780727360]

約数ペア:

[(1, 780727360), (2, 390363680), (4, 195181840), (5, 156145472), (7, 111532480), (8, 97590920), (10, 78072736), (14, 55766240), (16, 48795460), (20, 39036368), (28, 27883120), (32, 24397730), (35, 22306496), (40, 19518184), (56, 13941560), (64, 12198865), (70, 11153248), (71, 10996160), (80, 9759092), (112, 6970780), (140, 5576624), (142, 5498080), (160, 4879546), (224, 3485390), (280, 2788312), (284, 2749040), (320, 2439773), (355, 2199232), (448, 1742695), (497, 1570880), (560, 1394156), (568, 1374520), (710, 1099616), (994, 785440), (1120, 697078), (1136, 687260), (1420, 549808), (1988, 392720), (2240, 348539), (2272, 343630), (2485, 314176), (2840, 274904), (3976, 196360), (4544, 171815), (4909, 159040), (4970, 157088), (5680, 137452), (7952, 98180), (9818, 79520), (9940, 78544), (11360, 68726), (15904, 49090), (19636, 39760), (19880, 39272), (22720, 34363), (24545, 31808)]