19959120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1497

約数の個数: 120

約数和(自身を含む): 70605600

約数和(自身を除く): 50646480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1459, 1520, 1710, 2280, 2736, 2918, 3420, 4377, 4560, 5836, 6840, 7295, 8754, 11672, 13131, 13680, 14590, 17508, 21885, 23344, 26262, 27721, 29180, 35016, 43770, 52524, 55442, 58360, 65655, 70032, 83163, 87540, 105048, 110884, 116720, 131310, 138605, 166326, 175080, 210096, 221768, 249489, 262620, 277210, 332652, 350160, 415815, 443536, 498978, 525240, 554420, 665304, 831630, 997956, 1050480, 1108840, 1247445, 1330608, 1663260, 1995912, 2217680, 2494890, 3326520, 3991824, 4989780, 6653040, 9979560, 19959120]

約数ペア:

[(1, 19959120), (2, 9979560), (3, 6653040), (4, 4989780), (5, 3991824), (6, 3326520), (8, 2494890), (9, 2217680), (10, 1995912), (12, 1663260), (15, 1330608), (16, 1247445), (18, 1108840), (19, 1050480), (20, 997956), (24, 831630), (30, 665304), (36, 554420), (38, 525240), (40, 498978), (45, 443536), (48, 415815), (57, 350160), (60, 332652), (72, 277210), (76, 262620), (80, 249489), (90, 221768), (95, 210096), (114, 175080), (120, 166326), (144, 138605), (152, 131310), (171, 116720), (180, 110884), (190, 105048), (228, 87540), (240, 83163), (285, 70032), (304, 65655), (342, 58360), (360, 55442), (380, 52524), (456, 43770), (570, 35016), (684, 29180), (720, 27721), (760, 26262), (855, 23344), (912, 21885), (1140, 17508), (1368, 14590), (1459, 13680), (1520, 13131), (1710, 11672), (2280, 8754), (2736, 7295), (2918, 6840), (3420, 5836), (4377, 4560)]