309191920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3727}}^1$

素因数の和:3818

約数の個数: 80

約数和(自身を含む): 773843328

約数和(自身を除く): 464651408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1037, 1220, 1360, 2074, 2440, 3727, 4148, 4880, 5185, 7454, 8296, 10370, 14908, 16592, 18635, 20740, 29816, 37270, 41480, 59632, 63359, 74540, 82960, 126718, 149080, 227347, 253436, 298160, 316795, 454694, 506872, 633590, 909388, 1013744, 1136735, 1267180, 1818776, 2273470, 2534360, 3637552, 3864899, 4546940, 5068720, 7729798, 9093880, 15459596, 18187760, 19324495, 30919192, 38648990, 61838384, 77297980, 154595960, 309191920]

約数ペア:

[(1, 309191920), (2, 154595960), (4, 77297980), (5, 61838384), (8, 38648990), (10, 30919192), (16, 19324495), (17, 18187760), (20, 15459596), (34, 9093880), (40, 7729798), (61, 5068720), (68, 4546940), (80, 3864899), (85, 3637552), (122, 2534360), (136, 2273470), (170, 1818776), (244, 1267180), (272, 1136735), (305, 1013744), (340, 909388), (488, 633590), (610, 506872), (680, 454694), (976, 316795), (1037, 298160), (1220, 253436), (1360, 227347), (2074, 149080), (2440, 126718), (3727, 82960), (4148, 74540), (4880, 63359), (5185, 59632), (7454, 41480), (8296, 37270), (10370, 29816), (14908, 20740), (16592, 18635)]