72280780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 180633600

約数和(自身を除く): 108352820

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 127, 130, 143, 199, 220, 254, 260, 286, 398, 508, 572, 635, 715, 796, 995, 1270, 1397, 1430, 1651, 1990, 2189, 2540, 2587, 2794, 2860, 3302, 3980, 4378, 5174, 5588, 6604, 6985, 8255, 8756, 10348, 10945, 12935, 13970, 16510, 18161, 21890, 25273, 25870, 27940, 28457, 33020, 36322, 43780, 50546, 51740, 56914, 72644, 90805, 101092, 113828, 126365, 142285, 181610, 252730, 278003, 284570, 328549, 363220, 505460, 556006, 569140, 657098, 1112012, 1314196, 1390015, 1642745, 2780030, 3285490, 3614039, 5560060, 6570980, 7228078, 14456156, 18070195, 36140390, 72280780]

約数ペア:

[(1, 72280780), (2, 36140390), (4, 18070195), (5, 14456156), (10, 7228078), (11, 6570980), (13, 5560060), (20, 3614039), (22, 3285490), (26, 2780030), (44, 1642745), (52, 1390015), (55, 1314196), (65, 1112012), (110, 657098), (127, 569140), (130, 556006), (143, 505460), (199, 363220), (220, 328549), (254, 284570), (260, 278003), (286, 252730), (398, 181610), (508, 142285), (572, 126365), (635, 113828), (715, 101092), (796, 90805), (995, 72644), (1270, 56914), (1397, 51740), (1430, 50546), (1651, 43780), (1990, 36322), (2189, 33020), (2540, 28457), (2587, 27940), (2794, 25870), (2860, 25273), (3302, 21890), (3980, 18161), (4378, 16510), (5174, 13970), (5588, 12935), (6604, 10945), (6985, 10348), (8255, 8756)]