208019280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{123821}}^1$

素因数の和:123844

約数の個数: 80

約数和(自身を含む): 736988544

約数和(自身を除く): 528969264

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, 123821, 247642, 371463, 495284, 619105, 742926, 866747, 990568, 1238210, 1485852, 1733494, 1857315, 1981136, 2476420, 2600241, 2971704, 3466988, 3714630, 4333735, 4952840, 5200482, 5943408, 6933976, 7429260, 8667470, 9905680, 10400964, 13001205, 13867952, 14858520, 17334940, 20801928, 26002410, 29717040, 34669880, 41603856, 52004820, 69339760, 104009640, 208019280]

約数ペア:

[(1, 208019280), (2, 104009640), (3, 69339760), (4, 52004820), (5, 41603856), (6, 34669880), (7, 29717040), (8, 26002410), (10, 20801928), (12, 17334940), (14, 14858520), (15, 13867952), (16, 13001205), (20, 10400964), (21, 9905680), (24, 8667470), (28, 7429260), (30, 6933976), (35, 5943408), (40, 5200482), (42, 4952840), (48, 4333735), (56, 3714630), (60, 3466988), (70, 2971704), (80, 2600241), (84, 2476420), (105, 1981136), (112, 1857315), (120, 1733494), (140, 1485852), (168, 1238210), (210, 990568), (240, 866747), (280, 742926), (336, 619105), (420, 495284), (560, 371463), (840, 247642), (1680, 123821)]