18739440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1567

約数の個数: 120

約数和(自身を含む): 66678768

約数和(自身を除く): 47939328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 1531, 2040, 2448, 3060, 3062, 4080, 4593, 6120, 6124, 7655, 9186, 12240, 12248, 13779, 15310, 18372, 22965, 24496, 26027, 27558, 30620, 36744, 45930, 52054, 55116, 61240, 68895, 73488, 78081, 91860, 104108, 110232, 122480, 130135, 137790, 156162, 183720, 208216, 220464, 234243, 260270, 275580, 312324, 367440, 390405, 416432, 468486, 520540, 551160, 624648, 780810, 936972, 1041080, 1102320, 1171215, 1249296, 1561620, 1873944, 2082160, 2342430, 3123240, 3747888, 4684860, 6246480, 9369720, 18739440]

約数ペア:

[(1, 18739440), (2, 9369720), (3, 6246480), (4, 4684860), (5, 3747888), (6, 3123240), (8, 2342430), (9, 2082160), (10, 1873944), (12, 1561620), (15, 1249296), (16, 1171215), (17, 1102320), (18, 1041080), (20, 936972), (24, 780810), (30, 624648), (34, 551160), (36, 520540), (40, 468486), (45, 416432), (48, 390405), (51, 367440), (60, 312324), (68, 275580), (72, 260270), (80, 234243), (85, 220464), (90, 208216), (102, 183720), (120, 156162), (136, 137790), (144, 130135), (153, 122480), (170, 110232), (180, 104108), (204, 91860), (240, 78081), (255, 73488), (272, 68895), (306, 61240), (340, 55116), (360, 52054), (408, 45930), (510, 36744), (612, 30620), (680, 27558), (720, 26027), (765, 24496), (816, 22965), (1020, 18372), (1224, 15310), (1360, 13779), (1530, 12248), (1531, 12240), (2040, 9186), (2448, 7655), (3060, 6124), (3062, 6120), (4080, 4593)]