72216720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5279}}^1$

素因数の和:5317

約数の個数: 120

約数和(自身を含む): 255340800

約数和(自身を除く): 183124080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 5279, 6840, 10558, 13680, 15837, 21116, 26395, 31674, 42232, 47511, 52790, 63348, 79185, 84464, 95022, 100301, 105580, 126696, 158370, 190044, 200602, 211160, 237555, 253392, 300903, 316740, 380088, 401204, 422320, 475110, 501505, 601806, 633480, 760176, 802408, 902709, 950220, 1003010, 1203612, 1266960, 1504515, 1604816, 1805418, 1900440, 2006020, 2407224, 3009030, 3610836, 3800880, 4012040, 4513545, 4814448, 6018060, 7221672, 8024080, 9027090, 12036120, 14443344, 18054180, 24072240, 36108360, 72216720]

約数ペア:

[(1, 72216720), (2, 36108360), (3, 24072240), (4, 18054180), (5, 14443344), (6, 12036120), (8, 9027090), (9, 8024080), (10, 7221672), (12, 6018060), (15, 4814448), (16, 4513545), (18, 4012040), (19, 3800880), (20, 3610836), (24, 3009030), (30, 2407224), (36, 2006020), (38, 1900440), (40, 1805418), (45, 1604816), (48, 1504515), (57, 1266960), (60, 1203612), (72, 1003010), (76, 950220), (80, 902709), (90, 802408), (95, 760176), (114, 633480), (120, 601806), (144, 501505), (152, 475110), (171, 422320), (180, 401204), (190, 380088), (228, 316740), (240, 300903), (285, 253392), (304, 237555), (342, 211160), (360, 200602), (380, 190044), (456, 158370), (570, 126696), (684, 105580), (720, 100301), (760, 95022), (855, 84464), (912, 79185), (1140, 63348), (1368, 52790), (1520, 47511), (1710, 42232), (2280, 31674), (2736, 26395), (3420, 21116), (4560, 15837), (5279, 13680), (6840, 10558)]