1142640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^2$

素因数の和:68

約数の個数: 120

約数和(自身を含む): 4114320

約数和(自身を除く): 2971680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 529, 540, 552, 621, 690, 720, 828, 920, 1035, 1058, 1080, 1104, 1242, 1380, 1587, 1656, 1840, 2070, 2116, 2160, 2484, 2645, 2760, 3105, 3174, 3312, 4140, 4232, 4761, 4968, 5290, 5520, 6210, 6348, 7935, 8280, 8464, 9522, 9936, 10580, 12420, 12696, 14283, 15870, 16560, 19044, 21160, 23805, 24840, 25392, 28566, 31740, 38088, 42320, 47610, 49680, 57132, 63480, 71415, 76176, 95220, 114264, 126960, 142830, 190440, 228528, 285660, 380880, 571320, 1142640]

約数ペア:

[(1, 1142640), (2, 571320), (3, 380880), (4, 285660), (5, 228528), (6, 190440), (8, 142830), (9, 126960), (10, 114264), (12, 95220), (15, 76176), (16, 71415), (18, 63480), (20, 57132), (23, 49680), (24, 47610), (27, 42320), (30, 38088), (36, 31740), (40, 28566), (45, 25392), (46, 24840), (48, 23805), (54, 21160), (60, 19044), (69, 16560), (72, 15870), (80, 14283), (90, 12696), (92, 12420), (108, 10580), (115, 9936), (120, 9522), (135, 8464), (138, 8280), (144, 7935), (180, 6348), (184, 6210), (207, 5520), (216, 5290), (230, 4968), (240, 4761), (270, 4232), (276, 4140), (345, 3312), (360, 3174), (368, 3105), (414, 2760), (432, 2645), (460, 2484), (529, 2160), (540, 2116), (552, 2070), (621, 1840), (690, 1656), (720, 1587), (828, 1380), (920, 1242), (1035, 1104), (1058, 1080)]