668642640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163883}}^1$

素因数の和:163916

約数の個数: 80

約数和(自身を含む): 2194734528

約数和(自身を除く): 1526091888

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, 163883, 327766, 491649, 655532, 819415, 983298, 1311064, 1638830, 1966596, 2458245, 2622128, 2786011, 3277660, 3933192, 4916490, 5572022, 6555320, 7866384, 8358033, 9832980, 11144044, 13110640, 13930055, 16716066, 19665960, 22288088, 27860110, 33432132, 39331920, 41790165, 44576176, 55720220, 66864264, 83580330, 111440440, 133728528, 167160660, 222880880, 334321320, 668642640]

約数ペア:

[(1, 668642640), (2, 334321320), (3, 222880880), (4, 167160660), (5, 133728528), (6, 111440440), (8, 83580330), (10, 66864264), (12, 55720220), (15, 44576176), (16, 41790165), (17, 39331920), (20, 33432132), (24, 27860110), (30, 22288088), (34, 19665960), (40, 16716066), (48, 13930055), (51, 13110640), (60, 11144044), (68, 9832980), (80, 8358033), (85, 7866384), (102, 6555320), (120, 5572022), (136, 4916490), (170, 3933192), (204, 3277660), (240, 2786011), (255, 2622128), (272, 2458245), (340, 1966596), (408, 1638830), (510, 1311064), (680, 983298), (816, 819415), (1020, 655532), (1360, 491649), (2040, 327766), (4080, 163883)]