30810800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 82200096

約数和(自身を除く): 51389296

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 34, 40, 46, 50, 68, 80, 85, 92, 100, 115, 136, 170, 184, 197, 200, 230, 272, 340, 368, 391, 394, 400, 425, 460, 575, 680, 782, 788, 850, 920, 985, 1150, 1360, 1564, 1576, 1700, 1840, 1955, 1970, 2300, 3128, 3152, 3349, 3400, 3910, 3940, 4531, 4600, 4925, 6256, 6698, 6800, 7820, 7880, 9062, 9200, 9775, 9850, 13396, 15640, 15760, 16745, 18124, 19550, 19700, 22655, 26792, 31280, 33490, 36248, 39100, 39400, 45310, 53584, 66980, 72496, 77027, 78200, 78800, 83725, 90620, 113275, 133960, 154054, 156400, 167450, 181240, 226550, 267920, 308108, 334900, 362480, 385135, 453100, 616216, 669800, 770270, 906200, 1232432, 1339600, 1540540, 1812400, 1925675, 3081080, 3851350, 6162160, 7702700, 15405400, 30810800]

約数ペア:

[(1, 30810800), (2, 15405400), (4, 7702700), (5, 6162160), (8, 3851350), (10, 3081080), (16, 1925675), (17, 1812400), (20, 1540540), (23, 1339600), (25, 1232432), (34, 906200), (40, 770270), (46, 669800), (50, 616216), (68, 453100), (80, 385135), (85, 362480), (92, 334900), (100, 308108), (115, 267920), (136, 226550), (170, 181240), (184, 167450), (197, 156400), (200, 154054), (230, 133960), (272, 113275), (340, 90620), (368, 83725), (391, 78800), (394, 78200), (400, 77027), (425, 72496), (460, 66980), (575, 53584), (680, 45310), (782, 39400), (788, 39100), (850, 36248), (920, 33490), (985, 31280), (1150, 26792), (1360, 22655), (1564, 19700), (1576, 19550), (1700, 18124), (1840, 16745), (1955, 15760), (1970, 15640), (2300, 13396), (3128, 9850), (3152, 9775), (3349, 9200), (3400, 9062), (3910, 7880), (3940, 7820), (4531, 6800), (4600, 6698), (4925, 6256)]