72009720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 235141920

約数和(自身を除く): 163132200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 317, 360, 631, 634, 951, 1262, 1268, 1585, 1893, 1902, 2524, 2536, 2853, 3155, 3170, 3786, 3804, 4755, 5048, 5679, 5706, 6310, 6340, 7572, 7608, 9465, 9510, 11358, 11412, 12620, 12680, 14265, 15144, 18930, 19020, 22716, 22824, 25240, 28395, 28530, 37860, 38040, 45432, 56790, 57060, 75720, 113580, 114120, 200027, 227160, 400054, 600081, 800108, 1000135, 1200162, 1600216, 1800243, 2000270, 2400324, 3000405, 3600486, 4000540, 4800648, 6000810, 7200972, 8001080, 9001215, 12001620, 14401944, 18002430, 24003240, 36004860, 72009720]

約数ペア:

[(1, 72009720), (2, 36004860), (3, 24003240), (4, 18002430), (5, 14401944), (6, 12001620), (8, 9001215), (9, 8001080), (10, 7200972), (12, 6000810), (15, 4800648), (18, 4000540), (20, 3600486), (24, 3000405), (30, 2400324), (36, 2000270), (40, 1800243), (45, 1600216), (60, 1200162), (72, 1000135), (90, 800108), (120, 600081), (180, 400054), (317, 227160), (360, 200027), (631, 114120), (634, 113580), (951, 75720), (1262, 57060), (1268, 56790), (1585, 45432), (1893, 38040), (1902, 37860), (2524, 28530), (2536, 28395), (2853, 25240), (3155, 22824), (3170, 22716), (3786, 19020), (3804, 18930), (4755, 15144), (5048, 14265), (5679, 12680), (5706, 12620), (6310, 11412), (6340, 11358), (7572, 9510), (7608, 9465)]