72544780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 203003136

約数和(自身を除く): 130458356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 163, 170, 187, 220, 238, 289, 308, 326, 340, 374, 385, 476, 578, 595, 652, 748, 770, 815, 935, 1141, 1156, 1190, 1309, 1445, 1540, 1630, 1793, 1870, 2023, 2282, 2380, 2618, 2771, 2890, 3179, 3260, 3586, 3740, 4046, 4564, 5236, 5542, 5705, 5780, 6358, 6545, 7172, 8092, 8965, 10115, 11084, 11410, 12551, 12716, 13090, 13855, 15895, 17930, 19397, 20230, 22253, 22820, 25102, 26180, 27710, 30481, 31790, 35860, 38794, 40460, 44506, 47107, 50204, 55420, 60962, 62755, 63580, 77588, 89012, 94214, 96985, 111265, 121924, 125510, 152405, 188428, 193970, 213367, 222530, 235535, 251020, 304810, 329749, 387940, 426734, 445060, 471070, 518177, 609620, 659498, 853468, 942140, 1036354, 1066835, 1318996, 1648745, 2072708, 2133670, 2590885, 3297490, 3627239, 4267340, 5181770, 6594980, 7254478, 10363540, 14508956, 18136195, 36272390, 72544780]

約数ペア:

[(1, 72544780), (2, 36272390), (4, 18136195), (5, 14508956), (7, 10363540), (10, 7254478), (11, 6594980), (14, 5181770), (17, 4267340), (20, 3627239), (22, 3297490), (28, 2590885), (34, 2133670), (35, 2072708), (44, 1648745), (55, 1318996), (68, 1066835), (70, 1036354), (77, 942140), (85, 853468), (110, 659498), (119, 609620), (140, 518177), (154, 471070), (163, 445060), (170, 426734), (187, 387940), (220, 329749), (238, 304810), (289, 251020), (308, 235535), (326, 222530), (340, 213367), (374, 193970), (385, 188428), (476, 152405), (578, 125510), (595, 121924), (652, 111265), (748, 96985), (770, 94214), (815, 89012), (935, 77588), (1141, 63580), (1156, 62755), (1190, 60962), (1309, 55420), (1445, 50204), (1540, 47107), (1630, 44506), (1793, 40460), (1870, 38794), (2023, 35860), (2282, 31790), (2380, 30481), (2618, 27710), (2771, 26180), (2890, 25102), (3179, 22820), (3260, 22253), (3586, 20230), (3740, 19397), (4046, 17930), (4564, 15895), (5236, 13855), (5542, 13090), (5705, 12716), (5780, 12551), (6358, 11410), (6545, 11084), (7172, 10115), (8092, 8965)]