19959960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3539}}^1$

素因数の和:3600

約数の個数: 64

約数和(自身を含む): 61171200

約数和(自身を除く): 41211240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3539, 5640, 7078, 10617, 14156, 17695, 21234, 28312, 35390, 42468, 53085, 70780, 84936, 106170, 141560, 166333, 212340, 332666, 424680, 498999, 665332, 831665, 997998, 1330664, 1663330, 1995996, 2494995, 3326660, 3991992, 4989990, 6653320, 9979980, 19959960]

約数ペア:

[(1, 19959960), (2, 9979980), (3, 6653320), (4, 4989990), (5, 3991992), (6, 3326660), (8, 2494995), (10, 1995996), (12, 1663330), (15, 1330664), (20, 997998), (24, 831665), (30, 665332), (40, 498999), (47, 424680), (60, 332666), (94, 212340), (120, 166333), (141, 141560), (188, 106170), (235, 84936), (282, 70780), (376, 53085), (470, 42468), (564, 35390), (705, 28312), (940, 21234), (1128, 17695), (1410, 14156), (1880, 10617), (2820, 7078), (3539, 5640)]