72916680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31981}}^1$

素因数の和:32014

約数の個数: 64

約数和(自身を含む): 230270400

約数和(自身を除く): 157353720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 31981, 63962, 95943, 127924, 159905, 191886, 255848, 319810, 383772, 479715, 607639, 639620, 767544, 959430, 1215278, 1279240, 1822917, 1918860, 2430556, 3038195, 3645834, 3837720, 4861112, 6076390, 7291668, 9114585, 12152780, 14583336, 18229170, 24305560, 36458340, 72916680]

約数ペア:

[(1, 72916680), (2, 36458340), (3, 24305560), (4, 18229170), (5, 14583336), (6, 12152780), (8, 9114585), (10, 7291668), (12, 6076390), (15, 4861112), (19, 3837720), (20, 3645834), (24, 3038195), (30, 2430556), (38, 1918860), (40, 1822917), (57, 1279240), (60, 1215278), (76, 959430), (95, 767544), (114, 639620), (120, 607639), (152, 479715), (190, 383772), (228, 319810), (285, 255848), (380, 191886), (456, 159905), (570, 127924), (760, 95943), (1140, 63962), (2280, 31981)]