1656618880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6977}}^1$

素因数の和:7056

約数の個数: 128

約数和(自身を含む): 4612178880

約数和(自身を除く): 2955560000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 640, 742, 848, 896, 1060, 1120, 1484, 1696, 1855, 2120, 2240, 2968, 3392, 3710, 4240, 4480, 5936, 6784, 6977, 7420, 8480, 11872, 13954, 14840, 16960, 23744, 27908, 29680, 33920, 34885, 47488, 48839, 55816, 59360, 69770, 97678, 111632, 118720, 139540, 195356, 223264, 237440, 244195, 279080, 369781, 390712, 446528, 488390, 558160, 739562, 781424, 893056, 976780, 1116320, 1479124, 1562848, 1848905, 1953560, 2232640, 2588467, 2958248, 3125696, 3697810, 3907120, 4465280, 5176934, 5916496, 6251392, 7395620, 7814240, 10353868, 11832992, 12942335, 14791240, 15628480, 20707736, 23665984, 25884670, 29582480, 31256960, 41415472, 47331968, 51769340, 59164960, 82830944, 103538680, 118329920, 165661888, 207077360, 236659840, 331323776, 414154720, 828309440, 1656618880]

約数ペア:

[(1, 1656618880), (2, 828309440), (4, 414154720), (5, 331323776), (7, 236659840), (8, 207077360), (10, 165661888), (14, 118329920), (16, 103538680), (20, 82830944), (28, 59164960), (32, 51769340), (35, 47331968), (40, 41415472), (53, 31256960), (56, 29582480), (64, 25884670), (70, 23665984), (80, 20707736), (106, 15628480), (112, 14791240), (128, 12942335), (140, 11832992), (160, 10353868), (212, 7814240), (224, 7395620), (265, 6251392), (280, 5916496), (320, 5176934), (371, 4465280), (424, 3907120), (448, 3697810), (530, 3125696), (560, 2958248), (640, 2588467), (742, 2232640), (848, 1953560), (896, 1848905), (1060, 1562848), (1120, 1479124), (1484, 1116320), (1696, 976780), (1855, 893056), (2120, 781424), (2240, 739562), (2968, 558160), (3392, 488390), (3710, 446528), (4240, 390712), (4480, 369781), (5936, 279080), (6784, 244195), (6977, 237440), (7420, 223264), (8480, 195356), (11872, 139540), (13954, 118720), (14840, 111632), (16960, 97678), (23744, 69770), (27908, 59360), (29680, 55816), (33920, 48839), (34885, 47488)]