821667120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{201389}}^1$

素因数の和:201422

約数の個数: 80

約数和(自身を含む): 2697014880

約数和(自身を除く): 1875347760

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, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 201389, 402778, 604167, 805556, 1006945, 1208334, 1611112, 2013890, 2416668, 3020835, 3222224, 3423613, 4027780, 4833336, 6041670, 6847226, 8055560, 9666672, 10270839, 12083340, 13694452, 16111120, 17118065, 20541678, 24166680, 27388904, 34236130, 41083356, 48333360, 51354195, 54777808, 68472260, 82166712, 102708390, 136944520, 164333424, 205416780, 273889040, 410833560, 821667120]

約数ペア:

[(1, 821667120), (2, 410833560), (3, 273889040), (4, 205416780), (5, 164333424), (6, 136944520), (8, 102708390), (10, 82166712), (12, 68472260), (15, 54777808), (16, 51354195), (17, 48333360), (20, 41083356), (24, 34236130), (30, 27388904), (34, 24166680), (40, 20541678), (48, 17118065), (51, 16111120), (60, 13694452), (68, 12083340), (80, 10270839), (85, 9666672), (102, 8055560), (120, 6847226), (136, 6041670), (170, 4833336), (204, 4027780), (240, 3423613), (255, 3222224), (272, 3020835), (340, 2416668), (408, 2013890), (510, 1611112), (680, 1208334), (816, 1006945), (1020, 805556), (1360, 604167), (2040, 402778), (4080, 201389)]