72012720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23081}}^1$

素因数の和:23110

約数の個数: 80

約数和(自身を含む): 240422112

約数和(自身を除く): 168409392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 23081, 46162, 69243, 92324, 115405, 138486, 184648, 230810, 276972, 300053, 346215, 369296, 461620, 553944, 600106, 692430, 900159, 923240, 1107888, 1200212, 1384860, 1500265, 1800318, 1846480, 2400424, 2769720, 3000530, 3600636, 4500795, 4800848, 5539440, 6001060, 7201272, 9001590, 12002120, 14402544, 18003180, 24004240, 36006360, 72012720]

約数ペア:

[(1, 72012720), (2, 36006360), (3, 24004240), (4, 18003180), (5, 14402544), (6, 12002120), (8, 9001590), (10, 7201272), (12, 6001060), (13, 5539440), (15, 4800848), (16, 4500795), (20, 3600636), (24, 3000530), (26, 2769720), (30, 2400424), (39, 1846480), (40, 1800318), (48, 1500265), (52, 1384860), (60, 1200212), (65, 1107888), (78, 923240), (80, 900159), (104, 692430), (120, 600106), (130, 553944), (156, 461620), (195, 369296), (208, 346215), (240, 300053), (260, 276972), (312, 230810), (390, 184648), (520, 138486), (624, 115405), (780, 92324), (1040, 69243), (1560, 46162), (3120, 23081)]