30813720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{36683}}^1$

素因数の和:36704

約数の個数: 64

約数和(自身を含む): 105649920

約数和(自身を除く): 74836200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 36683, 73366, 110049, 146732, 183415, 220098, 256781, 293464, 366830, 440196, 513562, 550245, 733660, 770343, 880392, 1027124, 1100490, 1283905, 1467320, 1540686, 2054248, 2200980, 2567810, 3081372, 3851715, 4401960, 5135620, 6162744, 7703430, 10271240, 15406860, 30813720]

約数ペア:

[(1, 30813720), (2, 15406860), (3, 10271240), (4, 7703430), (5, 6162744), (6, 5135620), (7, 4401960), (8, 3851715), (10, 3081372), (12, 2567810), (14, 2200980), (15, 2054248), (20, 1540686), (21, 1467320), (24, 1283905), (28, 1100490), (30, 1027124), (35, 880392), (40, 770343), (42, 733660), (56, 550245), (60, 513562), (70, 440196), (84, 366830), (105, 293464), (120, 256781), (140, 220098), (168, 183415), (210, 146732), (280, 110049), (420, 73366), (840, 36683)]