247429980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{547}}^1$

素因数の和:928

約数の個数: 144

約数和(自身を含む): 861719040

約数和(自身を除く): 614289060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 359, 420, 547, 630, 718, 1077, 1094, 1260, 1436, 1641, 1795, 2154, 2188, 2513, 2735, 3231, 3282, 3590, 3829, 4308, 4923, 5026, 5385, 5470, 6462, 6564, 7180, 7539, 7658, 8205, 9846, 10052, 10770, 10940, 11487, 12565, 12924, 15078, 15316, 16155, 16410, 19145, 19692, 21540, 22617, 22974, 24615, 25130, 30156, 32310, 32820, 34461, 37695, 38290, 45234, 45948, 49230, 50260, 57435, 64620, 68922, 75390, 76580, 90468, 98460, 113085, 114870, 137844, 150780, 172305, 196373, 226170, 229740, 344610, 392746, 452340, 589119, 689220, 785492, 981865, 1178238, 1374611, 1767357, 1963730, 2356476, 2749222, 2945595, 3534714, 3927460, 4123833, 5498444, 5891190, 6873055, 7069428, 8247666, 8836785, 11782380, 12371499, 13746110, 16495332, 17673570, 20619165, 24742998, 27492220, 35347140, 41238330, 49485996, 61857495, 82476660, 123714990, 247429980]

約数ペア:

[(1, 247429980), (2, 123714990), (3, 82476660), (4, 61857495), (5, 49485996), (6, 41238330), (7, 35347140), (9, 27492220), (10, 24742998), (12, 20619165), (14, 17673570), (15, 16495332), (18, 13746110), (20, 12371499), (21, 11782380), (28, 8836785), (30, 8247666), (35, 7069428), (36, 6873055), (42, 5891190), (45, 5498444), (60, 4123833), (63, 3927460), (70, 3534714), (84, 2945595), (90, 2749222), (105, 2356476), (126, 1963730), (140, 1767357), (180, 1374611), (210, 1178238), (252, 981865), (315, 785492), (359, 689220), (420, 589119), (547, 452340), (630, 392746), (718, 344610), (1077, 229740), (1094, 226170), (1260, 196373), (1436, 172305), (1641, 150780), (1795, 137844), (2154, 114870), (2188, 113085), (2513, 98460), (2735, 90468), (3231, 76580), (3282, 75390), (3590, 68922), (3829, 64620), (4308, 57435), (4923, 50260), (5026, 49230), (5385, 45948), (5470, 45234), (6462, 38290), (6564, 37695), (7180, 34461), (7539, 32820), (7658, 32310), (8205, 30156), (9846, 25130), (10052, 24615), (10770, 22974), (10940, 22617), (11487, 21540), (12565, 19692), (12924, 19145), (15078, 16410), (15316, 16155)]