1265612720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{2557}}^1$

素因数の和:2862

約数の個数: 80

約数和(自身を含む): 3083106240

約数和(自身を除く): 1817493520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 269, 368, 460, 538, 920, 1076, 1345, 1840, 2152, 2557, 2690, 4304, 5114, 5380, 6187, 10228, 10760, 12374, 12785, 20456, 21520, 24748, 25570, 30935, 40912, 49496, 51140, 58811, 61870, 98992, 102280, 117622, 123740, 204560, 235244, 247480, 294055, 470488, 494960, 588110, 687833, 940976, 1176220, 1375666, 2352440, 2751332, 3439165, 4704880, 5502664, 6878330, 11005328, 13756660, 15820159, 27513320, 31640318, 55026640, 63280636, 79100795, 126561272, 158201590, 253122544, 316403180, 632806360, 1265612720]

約数ペア:

[(1, 1265612720), (2, 632806360), (4, 316403180), (5, 253122544), (8, 158201590), (10, 126561272), (16, 79100795), (20, 63280636), (23, 55026640), (40, 31640318), (46, 27513320), (80, 15820159), (92, 13756660), (115, 11005328), (184, 6878330), (230, 5502664), (269, 4704880), (368, 3439165), (460, 2751332), (538, 2352440), (920, 1375666), (1076, 1176220), (1345, 940976), (1840, 687833), (2152, 588110), (2557, 494960), (2690, 470488), (4304, 294055), (5114, 247480), (5380, 235244), (6187, 204560), (10228, 123740), (10760, 117622), (12374, 102280), (12785, 98992), (20456, 61870), (21520, 58811), (24748, 51140), (25570, 49496), (30935, 40912)]