1270920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 128

約数和(自身を含む): 4665600

約数和(自身を除く): 3394680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 89, 102, 105, 119, 120, 136, 140, 168, 170, 178, 204, 210, 238, 255, 267, 280, 340, 356, 357, 408, 420, 445, 476, 510, 534, 595, 623, 680, 712, 714, 840, 890, 952, 1020, 1068, 1190, 1246, 1335, 1428, 1513, 1780, 1785, 1869, 2040, 2136, 2380, 2492, 2670, 2856, 3026, 3115, 3560, 3570, 3738, 4539, 4760, 4984, 5340, 6052, 6230, 7140, 7476, 7565, 9078, 9345, 10591, 10680, 12104, 12460, 14280, 14952, 15130, 18156, 18690, 21182, 22695, 24920, 30260, 31773, 36312, 37380, 42364, 45390, 52955, 60520, 63546, 74760, 84728, 90780, 105910, 127092, 158865, 181560, 211820, 254184, 317730, 423640, 635460, 1270920]

約数ペア:

[(1, 1270920), (2, 635460), (3, 423640), (4, 317730), (5, 254184), (6, 211820), (7, 181560), (8, 158865), (10, 127092), (12, 105910), (14, 90780), (15, 84728), (17, 74760), (20, 63546), (21, 60520), (24, 52955), (28, 45390), (30, 42364), (34, 37380), (35, 36312), (40, 31773), (42, 30260), (51, 24920), (56, 22695), (60, 21182), (68, 18690), (70, 18156), (84, 15130), (85, 14952), (89, 14280), (102, 12460), (105, 12104), (119, 10680), (120, 10591), (136, 9345), (140, 9078), (168, 7565), (170, 7476), (178, 7140), (204, 6230), (210, 6052), (238, 5340), (255, 4984), (267, 4760), (280, 4539), (340, 3738), (356, 3570), (357, 3560), (408, 3115), (420, 3026), (445, 2856), (476, 2670), (510, 2492), (534, 2380), (595, 2136), (623, 2040), (680, 1869), (712, 1785), (714, 1780), (840, 1513), (890, 1428), (952, 1335), (1020, 1246), (1068, 1190)]