30291620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 70339752

約数和(自身を除く): 40048132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 53, 68, 82, 85, 106, 164, 170, 205, 212, 265, 340, 410, 530, 697, 820, 901, 1060, 1394, 1681, 1802, 2173, 2788, 3362, 3485, 3604, 4346, 4505, 6724, 6970, 8405, 8692, 9010, 10865, 13940, 16810, 18020, 21730, 28577, 33620, 36941, 43460, 57154, 73882, 89093, 114308, 142885, 147764, 178186, 184705, 285770, 356372, 369410, 445465, 571540, 738820, 890930, 1514581, 1781860, 3029162, 6058324, 7572905, 15145810, 30291620]

約数ペア:

[(1, 30291620), (2, 15145810), (4, 7572905), (5, 6058324), (10, 3029162), (17, 1781860), (20, 1514581), (34, 890930), (41, 738820), (53, 571540), (68, 445465), (82, 369410), (85, 356372), (106, 285770), (164, 184705), (170, 178186), (205, 147764), (212, 142885), (265, 114308), (340, 89093), (410, 73882), (530, 57154), (697, 43460), (820, 36941), (901, 33620), (1060, 28577), (1394, 21730), (1681, 18020), (1802, 16810), (2173, 13940), (2788, 10865), (3362, 9010), (3485, 8692), (3604, 8405), (4346, 6970), (4505, 6724)]