28461960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 93239640

約数和(自身を除く): 64777680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 173, 180, 346, 360, 457, 519, 692, 865, 914, 1038, 1371, 1384, 1557, 1730, 1828, 2076, 2285, 2595, 2742, 3114, 3460, 3656, 4113, 4152, 4570, 5190, 5484, 6228, 6855, 6920, 7785, 8226, 9140, 10380, 10968, 12456, 13710, 15570, 16452, 18280, 20565, 20760, 27420, 31140, 32904, 41130, 54840, 62280, 79061, 82260, 158122, 164520, 237183, 316244, 395305, 474366, 632488, 711549, 790610, 948732, 1185915, 1423098, 1581220, 1897464, 2371830, 2846196, 3162440, 3557745, 4743660, 5692392, 7115490, 9487320, 14230980, 28461960]

約数ペア:

[(1, 28461960), (2, 14230980), (3, 9487320), (4, 7115490), (5, 5692392), (6, 4743660), (8, 3557745), (9, 3162440), (10, 2846196), (12, 2371830), (15, 1897464), (18, 1581220), (20, 1423098), (24, 1185915), (30, 948732), (36, 790610), (40, 711549), (45, 632488), (60, 474366), (72, 395305), (90, 316244), (120, 237183), (173, 164520), (180, 158122), (346, 82260), (360, 79061), (457, 62280), (519, 54840), (692, 41130), (865, 32904), (914, 31140), (1038, 27420), (1371, 20760), (1384, 20565), (1557, 18280), (1730, 16452), (1828, 15570), (2076, 13710), (2285, 12456), (2595, 10968), (2742, 10380), (3114, 9140), (3460, 8226), (3656, 7785), (4113, 6920), (4152, 6855), (4570, 6228), (5190, 5484)]