15921720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1005

約数の個数: 96

約数和(自身を含む): 52902720

約数和(自身を除く): 36981000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 941, 1128, 1410, 1692, 1880, 1882, 2115, 2820, 2823, 3384, 3764, 4230, 4705, 5640, 5646, 7528, 8460, 8469, 9410, 11292, 14115, 16920, 16938, 18820, 22584, 28230, 33876, 37640, 42345, 44227, 56460, 67752, 84690, 88454, 112920, 132681, 169380, 176908, 221135, 265362, 338760, 353816, 398043, 442270, 530724, 663405, 796086, 884540, 1061448, 1326810, 1592172, 1769080, 1990215, 2653620, 3184344, 3980430, 5307240, 7960860, 15921720]

約数ペア:

[(1, 15921720), (2, 7960860), (3, 5307240), (4, 3980430), (5, 3184344), (6, 2653620), (8, 1990215), (9, 1769080), (10, 1592172), (12, 1326810), (15, 1061448), (18, 884540), (20, 796086), (24, 663405), (30, 530724), (36, 442270), (40, 398043), (45, 353816), (47, 338760), (60, 265362), (72, 221135), (90, 176908), (94, 169380), (120, 132681), (141, 112920), (180, 88454), (188, 84690), (235, 67752), (282, 56460), (360, 44227), (376, 42345), (423, 37640), (470, 33876), (564, 28230), (705, 22584), (846, 18820), (940, 16938), (941, 16920), (1128, 14115), (1410, 11292), (1692, 9410), (1880, 8469), (1882, 8460), (2115, 7528), (2820, 5646), (2823, 5640), (3384, 4705), (3764, 4230)]