1388656560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{20021}}^1$

素因数の和:20071

約数の個数: 120

約数和(自身を含む): 4573184976

約数和(自身を除く): 3184528416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 510, 578, 680, 816, 867, 1020, 1156, 1360, 1445, 1734, 2040, 2312, 2890, 3468, 4080, 4335, 4624, 5780, 6936, 8670, 11560, 13872, 17340, 20021, 23120, 34680, 40042, 60063, 69360, 80084, 100105, 120126, 160168, 200210, 240252, 300315, 320336, 340357, 400420, 480504, 600630, 680714, 800840, 961008, 1021071, 1201260, 1361428, 1601680, 1701785, 2042142, 2402520, 2722856, 3403570, 4084284, 4805040, 5105355, 5445712, 5786069, 6807140, 8168568, 10210710, 11572138, 13614280, 16337136, 17358207, 20421420, 23144276, 27228560, 28930345, 34716414, 40842840, 46288552, 57860690, 69432828, 81685680, 86791035, 92577104, 115721380, 138865656, 173582070, 231442760, 277731312, 347164140, 462885520, 694328280, 1388656560]

約数ペア:

[(1, 1388656560), (2, 694328280), (3, 462885520), (4, 347164140), (5, 277731312), (6, 231442760), (8, 173582070), (10, 138865656), (12, 115721380), (15, 92577104), (16, 86791035), (17, 81685680), (20, 69432828), (24, 57860690), (30, 46288552), (34, 40842840), (40, 34716414), (48, 28930345), (51, 27228560), (60, 23144276), (68, 20421420), (80, 17358207), (85, 16337136), (102, 13614280), (120, 11572138), (136, 10210710), (170, 8168568), (204, 6807140), (240, 5786069), (255, 5445712), (272, 5105355), (289, 4805040), (340, 4084284), (408, 3403570), (510, 2722856), (578, 2402520), (680, 2042142), (816, 1701785), (867, 1601680), (1020, 1361428), (1156, 1201260), (1360, 1021071), (1445, 961008), (1734, 800840), (2040, 680714), (2312, 600630), (2890, 480504), (3468, 400420), (4080, 340357), (4335, 320336), (4624, 300315), (5780, 240252), (6936, 200210), (8670, 160168), (11560, 120126), (13872, 100105), (17340, 80084), (20021, 69360), (23120, 60063), (34680, 40042)]