66801720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 214099200

約数和(自身を除く): 147297480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 114, 120, 152, 166, 190, 228, 249, 285, 332, 353, 380, 415, 456, 498, 570, 664, 706, 760, 830, 996, 1059, 1140, 1245, 1412, 1577, 1660, 1765, 1992, 2118, 2280, 2490, 2824, 3154, 3320, 3530, 4236, 4731, 4980, 5295, 6308, 6707, 7060, 7885, 8472, 9462, 9960, 10590, 12616, 13414, 14120, 15770, 18924, 20121, 21180, 23655, 26828, 29299, 31540, 33535, 37848, 40242, 42360, 47310, 53656, 58598, 63080, 67070, 80484, 87897, 94620, 100605, 117196, 134140, 146495, 160968, 175794, 189240, 201210, 234392, 268280, 292990, 351588, 402420, 439485, 556681, 585980, 703176, 804840, 878970, 1113362, 1171960, 1670043, 1757940, 2226724, 2783405, 3340086, 3515880, 4453448, 5566810, 6680172, 8350215, 11133620, 13360344, 16700430, 22267240, 33400860, 66801720]

約数ペア:

[(1, 66801720), (2, 33400860), (3, 22267240), (4, 16700430), (5, 13360344), (6, 11133620), (8, 8350215), (10, 6680172), (12, 5566810), (15, 4453448), (19, 3515880), (20, 3340086), (24, 2783405), (30, 2226724), (38, 1757940), (40, 1670043), (57, 1171960), (60, 1113362), (76, 878970), (83, 804840), (95, 703176), (114, 585980), (120, 556681), (152, 439485), (166, 402420), (190, 351588), (228, 292990), (249, 268280), (285, 234392), (332, 201210), (353, 189240), (380, 175794), (415, 160968), (456, 146495), (498, 134140), (570, 117196), (664, 100605), (706, 94620), (760, 87897), (830, 80484), (996, 67070), (1059, 63080), (1140, 58598), (1245, 53656), (1412, 47310), (1577, 42360), (1660, 40242), (1765, 37848), (1992, 33535), (2118, 31540), (2280, 29299), (2490, 26828), (2824, 23655), (3154, 21180), (3320, 20121), (3530, 18924), (4236, 15770), (4731, 14120), (4980, 13414), (5295, 12616), (6308, 10590), (6707, 9960), (7060, 9462), (7885, 8472)]