30905040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2111}}^1$

素因数の和:2188

約数の個数: 80

約数和(自身を含む): 97422336

約数和(自身を除く): 66517296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2111, 2440, 2928, 3660, 4222, 4880, 6333, 7320, 8444, 10555, 12666, 14640, 16888, 21110, 25332, 31665, 33776, 42220, 50664, 63330, 84440, 101328, 126660, 128771, 168880, 253320, 257542, 386313, 506640, 515084, 643855, 772626, 1030168, 1287710, 1545252, 1931565, 2060336, 2575420, 3090504, 3863130, 5150840, 6181008, 7726260, 10301680, 15452520, 30905040]

約数ペア:

[(1, 30905040), (2, 15452520), (3, 10301680), (4, 7726260), (5, 6181008), (6, 5150840), (8, 3863130), (10, 3090504), (12, 2575420), (15, 2060336), (16, 1931565), (20, 1545252), (24, 1287710), (30, 1030168), (40, 772626), (48, 643855), (60, 515084), (61, 506640), (80, 386313), (120, 257542), (122, 253320), (183, 168880), (240, 128771), (244, 126660), (305, 101328), (366, 84440), (488, 63330), (610, 50664), (732, 42220), (915, 33776), (976, 31665), (1220, 25332), (1464, 21110), (1830, 16888), (2111, 14640), (2440, 12666), (2928, 10555), (3660, 8444), (4222, 7320), (4880, 6333)]