290136720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{52561}}^1$

素因数の和:52600

約数の個数: 80

約数和(自身を含む): 938547072

約数和(自身を除く): 648410352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 52561, 105122, 157683, 210244, 262805, 315366, 420488, 525610, 630732, 788415, 840976, 1051220, 1208903, 1261464, 1576830, 2102440, 2417806, 2522928, 3153660, 3626709, 4204880, 4835612, 6044515, 6307320, 7253418, 9671224, 12089030, 12614640, 14506836, 18133545, 19342448, 24178060, 29013672, 36267090, 48356120, 58027344, 72534180, 96712240, 145068360, 290136720]

約数ペア:

[(1, 290136720), (2, 145068360), (3, 96712240), (4, 72534180), (5, 58027344), (6, 48356120), (8, 36267090), (10, 29013672), (12, 24178060), (15, 19342448), (16, 18133545), (20, 14506836), (23, 12614640), (24, 12089030), (30, 9671224), (40, 7253418), (46, 6307320), (48, 6044515), (60, 4835612), (69, 4204880), (80, 3626709), (92, 3153660), (115, 2522928), (120, 2417806), (138, 2102440), (184, 1576830), (230, 1261464), (240, 1208903), (276, 1051220), (345, 840976), (368, 788415), (460, 630732), (552, 525610), (690, 420488), (920, 315366), (1104, 262805), (1380, 210244), (1840, 157683), (2760, 105122), (5520, 52561)]