213813720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2311}}^1$

素因数の和:2585

約数の個数: 96

約数和(自身を含む): 697900320

約数和(自身を除く): 484086600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 257, 360, 514, 771, 1028, 1285, 1542, 2056, 2311, 2313, 2570, 3084, 3855, 4622, 4626, 5140, 6168, 6933, 7710, 9244, 9252, 10280, 11555, 11565, 13866, 15420, 18488, 18504, 20799, 23110, 23130, 27732, 30840, 34665, 41598, 46220, 46260, 55464, 69330, 83196, 92440, 92520, 103995, 138660, 166392, 207990, 277320, 415980, 593927, 831960, 1187854, 1781781, 2375708, 2969635, 3563562, 4751416, 5345343, 5939270, 7127124, 8908905, 10690686, 11878540, 14254248, 17817810, 21381372, 23757080, 26726715, 35635620, 42762744, 53453430, 71271240, 106906860, 213813720]

約数ペア:

[(1, 213813720), (2, 106906860), (3, 71271240), (4, 53453430), (5, 42762744), (6, 35635620), (8, 26726715), (9, 23757080), (10, 21381372), (12, 17817810), (15, 14254248), (18, 11878540), (20, 10690686), (24, 8908905), (30, 7127124), (36, 5939270), (40, 5345343), (45, 4751416), (60, 3563562), (72, 2969635), (90, 2375708), (120, 1781781), (180, 1187854), (257, 831960), (360, 593927), (514, 415980), (771, 277320), (1028, 207990), (1285, 166392), (1542, 138660), (2056, 103995), (2311, 92520), (2313, 92440), (2570, 83196), (3084, 69330), (3855, 55464), (4622, 46260), (4626, 46220), (5140, 41598), (6168, 34665), (6933, 30840), (7710, 27732), (9244, 23130), (9252, 23110), (10280, 20799), (11555, 18504), (11565, 18488), (13866, 15420)]