1998005160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 6071500800

約数和(自身を除く): 4073495640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 191, 358, 382, 487, 537, 573, 716, 764, 895, 955, 974, 1074, 1146, 1432, 1461, 1528, 1790, 1910, 1948, 2148, 2292, 2435, 2685, 2865, 2922, 3580, 3820, 3896, 4296, 4584, 4870, 5370, 5730, 5844, 7160, 7305, 7640, 9740, 10740, 11460, 11688, 14610, 19480, 21480, 22920, 29220, 34189, 58440, 68378, 87173, 93017, 102567, 136756, 170945, 174346, 186034, 205134, 261519, 273512, 279051, 341890, 348692, 372068, 410268, 435865, 465085, 512835, 523038, 558102, 683780, 697384, 744136, 820536, 871730, 930170, 1025670, 1046076, 1116204, 1307595, 1367560, 1395255, 1743460, 1860340, 2051340, 2092152, 2232408, 2615190, 2790510, 3486920, 3720680, 4102680, 5230380, 5581020, 10460760, 11162040, 16650043, 33300086, 49950129, 66600172, 83250215, 99900258, 133200344, 166500430, 199800516, 249750645, 333000860, 399601032, 499501290, 666001720, 999002580, 1998005160]

約数ペア:

[(1, 1998005160), (2, 999002580), (3, 666001720), (4, 499501290), (5, 399601032), (6, 333000860), (8, 249750645), (10, 199800516), (12, 166500430), (15, 133200344), (20, 99900258), (24, 83250215), (30, 66600172), (40, 49950129), (60, 33300086), (120, 16650043), (179, 11162040), (191, 10460760), (358, 5581020), (382, 5230380), (487, 4102680), (537, 3720680), (573, 3486920), (716, 2790510), (764, 2615190), (895, 2232408), (955, 2092152), (974, 2051340), (1074, 1860340), (1146, 1743460), (1432, 1395255), (1461, 1367560), (1528, 1307595), (1790, 1116204), (1910, 1046076), (1948, 1025670), (2148, 930170), (2292, 871730), (2435, 820536), (2685, 744136), (2865, 697384), (2922, 683780), (3580, 558102), (3820, 523038), (3896, 512835), (4296, 465085), (4584, 435865), (4870, 410268), (5370, 372068), (5730, 348692), (5844, 341890), (7160, 279051), (7305, 273512), (7640, 261519), (9740, 205134), (10740, 186034), (11460, 174346), (11688, 170945), (14610, 136756), (19480, 102567), (21480, 93017), (22920, 87173), (29220, 68378), (34189, 58440)]