15405400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 39774240

約数和(自身を除く): 24368840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 85, 92, 100, 115, 136, 170, 184, 197, 200, 230, 340, 391, 394, 425, 460, 575, 680, 782, 788, 850, 920, 985, 1150, 1564, 1576, 1700, 1955, 1970, 2300, 3128, 3349, 3400, 3910, 3940, 4531, 4600, 4925, 6698, 7820, 7880, 9062, 9775, 9850, 13396, 15640, 16745, 18124, 19550, 19700, 22655, 26792, 33490, 36248, 39100, 39400, 45310, 66980, 77027, 78200, 83725, 90620, 113275, 133960, 154054, 167450, 181240, 226550, 308108, 334900, 385135, 453100, 616216, 669800, 770270, 906200, 1540540, 1925675, 3081080, 3851350, 7702700, 15405400]

約数ペア:

[(1, 15405400), (2, 7702700), (4, 3851350), (5, 3081080), (8, 1925675), (10, 1540540), (17, 906200), (20, 770270), (23, 669800), (25, 616216), (34, 453100), (40, 385135), (46, 334900), (50, 308108), (68, 226550), (85, 181240), (92, 167450), (100, 154054), (115, 133960), (136, 113275), (170, 90620), (184, 83725), (197, 78200), (200, 77027), (230, 66980), (340, 45310), (391, 39400), (394, 39100), (425, 36248), (460, 33490), (575, 26792), (680, 22655), (782, 19700), (788, 19550), (850, 18124), (920, 16745), (985, 15640), (1150, 13396), (1564, 9850), (1576, 9775), (1700, 9062), (1955, 7880), (1970, 7820), (2300, 6698), (3128, 4925), (3349, 4600), (3400, 4531), (3910, 3940)]