1665002640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{991073}}^1$

素因数の和:991096

約数の個数: 80

約数和(自身を含む): 5898872448

約数和(自身を除く): 4233869808

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, 991073, 1982146, 2973219, 3964292, 4955365, 5946438, 6937511, 7928584, 9910730, 11892876, 13875022, 14866095, 15857168, 19821460, 20812533, 23785752, 27750044, 29732190, 34687555, 39642920, 41625066, 47571504, 55500088, 59464380, 69375110, 79285840, 83250132, 104062665, 111000176, 118928760, 138750220, 166500264, 208125330, 237857520, 277500440, 333000528, 416250660, 555000880, 832501320, 1665002640]

約数ペア:

[(1, 1665002640), (2, 832501320), (3, 555000880), (4, 416250660), (5, 333000528), (6, 277500440), (7, 237857520), (8, 208125330), (10, 166500264), (12, 138750220), (14, 118928760), (15, 111000176), (16, 104062665), (20, 83250132), (21, 79285840), (24, 69375110), (28, 59464380), (30, 55500088), (35, 47571504), (40, 41625066), (42, 39642920), (48, 34687555), (56, 29732190), (60, 27750044), (70, 23785752), (80, 20812533), (84, 19821460), (105, 15857168), (112, 14866095), (120, 13875022), (140, 11892876), (168, 9910730), (210, 7928584), (240, 6937511), (280, 5946438), (336, 4955365), (420, 3964292), (560, 2973219), (840, 1982146), (1680, 991073)]