855074640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{508973}}^1$

素因数の和:508996

約数の個数: 80

約数和(自身を含む): 3029413248

約数和(自身を除く): 2174338608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 508973, 1017946, 1526919, 2035892, 2544865, 3053838, 3562811, 4071784, 5089730, 6107676, 7125622, 7634595, 8143568, 10179460, 10688433, 12215352, 14251244, 15269190, 17814055, 20358920, 21376866, 24430704, 28502488, 30538380, 35628110, 40717840, 42753732, 53442165, 57004976, 61076760, 71256220, 85507464, 106884330, 122153520, 142512440, 171014928, 213768660, 285024880, 427537320, 855074640]

約数ペア:

[(1, 855074640), (2, 427537320), (3, 285024880), (4, 213768660), (5, 171014928), (6, 142512440), (7, 122153520), (8, 106884330), (10, 85507464), (12, 71256220), (14, 61076760), (15, 57004976), (16, 53442165), (20, 42753732), (21, 40717840), (24, 35628110), (28, 30538380), (30, 28502488), (35, 24430704), (40, 21376866), (42, 20358920), (48, 17814055), (56, 15269190), (60, 14251244), (70, 12215352), (80, 10688433), (84, 10179460), (105, 8143568), (112, 7634595), (120, 7125622), (140, 6107676), (168, 5089730), (210, 4071784), (240, 3562811), (280, 3053838), (336, 2544865), (420, 2035892), (560, 1526919), (840, 1017946), (1680, 508973)]