64635720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28349}}^1$

素因数の和:28382

約数の個数: 64

約数和(自身を含む): 204120000

約数和(自身を除く): 139484280

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, 28349, 56698, 85047, 113396, 141745, 170094, 226792, 283490, 340188, 425235, 538631, 566980, 680376, 850470, 1077262, 1133960, 1615893, 1700940, 2154524, 2693155, 3231786, 3401880, 4309048, 5386310, 6463572, 8079465, 10772620, 12927144, 16158930, 21545240, 32317860, 64635720]

約数ペア:

[(1, 64635720), (2, 32317860), (3, 21545240), (4, 16158930), (5, 12927144), (6, 10772620), (8, 8079465), (10, 6463572), (12, 5386310), (15, 4309048), (19, 3401880), (20, 3231786), (24, 2693155), (30, 2154524), (38, 1700940), (40, 1615893), (57, 1133960), (60, 1077262), (76, 850470), (95, 680376), (114, 566980), (120, 538631), (152, 425235), (190, 340188), (228, 283490), (285, 226792), (380, 170094), (456, 141745), (570, 113396), (760, 85047), (1140, 56698), (2280, 28349)]