38440980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 122882760

約数和(自身を除く): 84441780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 389, 405, 540, 549, 610, 732, 778, 810, 915, 1098, 1167, 1220, 1556, 1620, 1647, 1830, 1945, 2196, 2334, 2745, 3294, 3501, 3660, 3890, 4668, 4941, 5490, 5835, 6588, 7002, 7780, 8235, 9882, 10503, 10980, 11670, 14004, 16470, 17505, 19764, 21006, 23340, 23729, 24705, 31509, 32940, 35010, 42012, 47458, 49410, 52515, 63018, 70020, 71187, 94916, 98820, 105030, 118645, 126036, 142374, 157545, 210060, 213561, 237290, 284748, 315090, 355935, 427122, 474580, 630180, 640683, 711870, 854244, 1067805, 1281366, 1423740, 1922049, 2135610, 2562732, 3203415, 3844098, 4271220, 6406830, 7688196, 9610245, 12813660, 19220490, 38440980]

約数ペア:

[(1, 38440980), (2, 19220490), (3, 12813660), (4, 9610245), (5, 7688196), (6, 6406830), (9, 4271220), (10, 3844098), (12, 3203415), (15, 2562732), (18, 2135610), (20, 1922049), (27, 1423740), (30, 1281366), (36, 1067805), (45, 854244), (54, 711870), (60, 640683), (61, 630180), (81, 474580), (90, 427122), (108, 355935), (122, 315090), (135, 284748), (162, 237290), (180, 213561), (183, 210060), (244, 157545), (270, 142374), (305, 126036), (324, 118645), (366, 105030), (389, 98820), (405, 94916), (540, 71187), (549, 70020), (610, 63018), (732, 52515), (778, 49410), (810, 47458), (915, 42012), (1098, 35010), (1167, 32940), (1220, 31509), (1556, 24705), (1620, 23729), (1647, 23340), (1830, 21006), (1945, 19764), (2196, 17505), (2334, 16470), (2745, 14004), (3294, 11670), (3501, 10980), (3660, 10503), (3890, 9882), (4668, 8235), (4941, 7780), (5490, 7002), (5835, 6588)]