161728440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 128

約数和(自身を含む): 503884800

約数和(自身を除く): 342156360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 59, 60, 106, 118, 120, 159, 177, 212, 236, 265, 295, 318, 354, 424, 431, 472, 530, 590, 636, 708, 795, 862, 885, 1060, 1180, 1272, 1293, 1416, 1590, 1724, 1770, 2120, 2155, 2360, 2586, 3127, 3180, 3448, 3540, 4310, 5172, 6254, 6360, 6465, 7080, 8620, 9381, 10344, 12508, 12930, 15635, 17240, 18762, 22843, 25016, 25429, 25860, 31270, 37524, 45686, 46905, 50858, 51720, 62540, 68529, 75048, 76287, 91372, 93810, 101716, 114215, 125080, 127145, 137058, 152574, 182744, 187620, 203432, 228430, 254290, 274116, 305148, 342645, 375240, 381435, 456860, 508580, 548232, 610296, 685290, 762870, 913720, 1017160, 1347737, 1370580, 1525740, 2695474, 2741160, 3051480, 4043211, 5390948, 6738685, 8086422, 10781896, 13477370, 16172844, 20216055, 26954740, 32345688, 40432110, 53909480, 80864220, 161728440]

約数ペア:

[(1, 161728440), (2, 80864220), (3, 53909480), (4, 40432110), (5, 32345688), (6, 26954740), (8, 20216055), (10, 16172844), (12, 13477370), (15, 10781896), (20, 8086422), (24, 6738685), (30, 5390948), (40, 4043211), (53, 3051480), (59, 2741160), (60, 2695474), (106, 1525740), (118, 1370580), (120, 1347737), (159, 1017160), (177, 913720), (212, 762870), (236, 685290), (265, 610296), (295, 548232), (318, 508580), (354, 456860), (424, 381435), (431, 375240), (472, 342645), (530, 305148), (590, 274116), (636, 254290), (708, 228430), (795, 203432), (862, 187620), (885, 182744), (1060, 152574), (1180, 137058), (1272, 127145), (1293, 125080), (1416, 114215), (1590, 101716), (1724, 93810), (1770, 91372), (2120, 76287), (2155, 75048), (2360, 68529), (2586, 62540), (3127, 51720), (3180, 50858), (3448, 46905), (3540, 45686), (4310, 37524), (5172, 31270), (6254, 25860), (6360, 25429), (6465, 25016), (7080, 22843), (8620, 18762), (9381, 17240), (10344, 15635), (12508, 12930)]