781268040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{310027}}^1$

素因数の和:310051

約数の個数: 96

約数和(自身を含む): 2901862080

約数和(自身を除く): 2120594040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 310027, 620054, 930081, 1240108, 1550135, 1860162, 2170189, 2480216, 2790243, 3100270, 3720324, 4340378, 4650405, 5580486, 6200540, 6510567, 7440648, 8680756, 9300810, 10850945, 11160972, 12401080, 13021134, 13951215, 17361512, 18601620, 19531701, 21701890, 22321944, 26042268, 27902430, 32552835, 37203240, 39063402, 43403780, 52084536, 55804860, 65105670, 78126804, 86807560, 97658505, 111609720, 130211340, 156253608, 195317010, 260422680, 390634020, 781268040]

約数ペア:

[(1, 781268040), (2, 390634020), (3, 260422680), (4, 195317010), (5, 156253608), (6, 130211340), (7, 111609720), (8, 97658505), (9, 86807560), (10, 78126804), (12, 65105670), (14, 55804860), (15, 52084536), (18, 43403780), (20, 39063402), (21, 37203240), (24, 32552835), (28, 27902430), (30, 26042268), (35, 22321944), (36, 21701890), (40, 19531701), (42, 18601620), (45, 17361512), (56, 13951215), (60, 13021134), (63, 12401080), (70, 11160972), (72, 10850945), (84, 9300810), (90, 8680756), (105, 7440648), (120, 6510567), (126, 6200540), (140, 5580486), (168, 4650405), (180, 4340378), (210, 3720324), (252, 3100270), (280, 2790243), (315, 2480216), (360, 2170189), (420, 1860162), (504, 1550135), (630, 1240108), (840, 930081), (1260, 620054), (2520, 310027)]