211787460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:807

約数の個数: 120

約数和(自身を含む): 668384640

約数和(自身を除く): 456597180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 239, 270, 324, 405, 478, 540, 547, 717, 810, 956, 1094, 1195, 1434, 1620, 1641, 2151, 2188, 2390, 2735, 2868, 3282, 3585, 4302, 4780, 4923, 5470, 6453, 6564, 7170, 8205, 8604, 9846, 10755, 10940, 12906, 14340, 14769, 16410, 19359, 19692, 21510, 24615, 25812, 29538, 32265, 32820, 38718, 43020, 44307, 49230, 59076, 64530, 73845, 77436, 88614, 96795, 98460, 129060, 130733, 147690, 177228, 193590, 221535, 261466, 295380, 387180, 392199, 443070, 522932, 653665, 784398, 886140, 1176597, 1307330, 1568796, 1960995, 2353194, 2614660, 3529791, 3921990, 4706388, 5882985, 7059582, 7843980, 10589373, 11765970, 14119164, 17648955, 21178746, 23531940, 35297910, 42357492, 52946865, 70595820, 105893730, 211787460]

約数ペア:

[(1, 211787460), (2, 105893730), (3, 70595820), (4, 52946865), (5, 42357492), (6, 35297910), (9, 23531940), (10, 21178746), (12, 17648955), (15, 14119164), (18, 11765970), (20, 10589373), (27, 7843980), (30, 7059582), (36, 5882985), (45, 4706388), (54, 3921990), (60, 3529791), (81, 2614660), (90, 2353194), (108, 1960995), (135, 1568796), (162, 1307330), (180, 1176597), (239, 886140), (270, 784398), (324, 653665), (405, 522932), (478, 443070), (540, 392199), (547, 387180), (717, 295380), (810, 261466), (956, 221535), (1094, 193590), (1195, 177228), (1434, 147690), (1620, 130733), (1641, 129060), (2151, 98460), (2188, 96795), (2390, 88614), (2735, 77436), (2868, 73845), (3282, 64530), (3585, 59076), (4302, 49230), (4780, 44307), (4923, 43020), (5470, 38718), (6453, 32820), (6564, 32265), (7170, 29538), (8205, 25812), (8604, 24615), (9846, 21510), (10755, 19692), (10940, 19359), (12906, 16410), (14340, 14769)]