820129680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59951}}^1$

素因数の和:59989

約数の個数: 120

約数和(自身を含む): 2899278720

約数和(自身を除く): 2079149040

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, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 59951, 119902, 179853, 239804, 299755, 359706, 479608, 539559, 599510, 719412, 899265, 959216, 1079118, 1139069, 1199020, 1438824, 1798530, 2158236, 2278138, 2398040, 2697795, 2877648, 3417207, 3597060, 4316472, 4556276, 4796080, 5395590, 5695345, 6834414, 7194120, 8632944, 9112552, 10251621, 10791180, 11390690, 13668828, 14388240, 17086035, 18225104, 20503242, 21582360, 22781380, 27337656, 34172070, 41006484, 43164720, 45562760, 51258105, 54675312, 68344140, 82012968, 91125520, 102516210, 136688280, 164025936, 205032420, 273376560, 410064840, 820129680]

約数ペア:

[(1, 820129680), (2, 410064840), (3, 273376560), (4, 205032420), (5, 164025936), (6, 136688280), (8, 102516210), (9, 91125520), (10, 82012968), (12, 68344140), (15, 54675312), (16, 51258105), (18, 45562760), (19, 43164720), (20, 41006484), (24, 34172070), (30, 27337656), (36, 22781380), (38, 21582360), (40, 20503242), (45, 18225104), (48, 17086035), (57, 14388240), (60, 13668828), (72, 11390690), (76, 10791180), (80, 10251621), (90, 9112552), (95, 8632944), (114, 7194120), (120, 6834414), (144, 5695345), (152, 5395590), (171, 4796080), (180, 4556276), (190, 4316472), (228, 3597060), (240, 3417207), (285, 2877648), (304, 2697795), (342, 2398040), (360, 2278138), (380, 2158236), (456, 1798530), (570, 1438824), (684, 1199020), (720, 1139069), (760, 1079118), (855, 959216), (912, 899265), (1140, 719412), (1368, 599510), (1520, 539559), (1710, 479608), (2280, 359706), (2736, 299755), (3420, 239804), (4560, 179853), (6840, 119902), (13680, 59951)]