1445360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 4017600

約数和(自身を除く): 2572240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 89, 112, 116, 140, 145, 178, 203, 232, 280, 290, 356, 406, 445, 464, 560, 580, 623, 712, 812, 890, 1015, 1160, 1246, 1424, 1624, 1780, 2030, 2320, 2492, 2581, 3115, 3248, 3560, 4060, 4984, 5162, 6230, 7120, 8120, 9968, 10324, 12460, 12905, 16240, 18067, 20648, 24920, 25810, 36134, 41296, 49840, 51620, 72268, 90335, 103240, 144536, 180670, 206480, 289072, 361340, 722680, 1445360]

約数ペア:

[(1, 1445360), (2, 722680), (4, 361340), (5, 289072), (7, 206480), (8, 180670), (10, 144536), (14, 103240), (16, 90335), (20, 72268), (28, 51620), (29, 49840), (35, 41296), (40, 36134), (56, 25810), (58, 24920), (70, 20648), (80, 18067), (89, 16240), (112, 12905), (116, 12460), (140, 10324), (145, 9968), (178, 8120), (203, 7120), (232, 6230), (280, 5162), (290, 4984), (356, 4060), (406, 3560), (445, 3248), (464, 3115), (560, 2581), (580, 2492), (623, 2320), (712, 2030), (812, 1780), (890, 1624), (1015, 1424), (1160, 1246)]