29990040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 97225920

約数和(自身を除く): 67235880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 170, 183, 204, 241, 244, 255, 305, 340, 366, 408, 482, 488, 510, 610, 680, 723, 732, 915, 964, 1020, 1037, 1205, 1220, 1446, 1464, 1830, 1928, 2040, 2074, 2410, 2440, 2892, 3111, 3615, 3660, 4097, 4148, 4820, 5185, 5784, 6222, 7230, 7320, 8194, 8296, 9640, 10370, 12291, 12444, 14460, 14701, 15555, 16388, 20485, 20740, 24582, 24888, 28920, 29402, 31110, 32776, 40970, 41480, 44103, 49164, 58804, 61455, 62220, 73505, 81940, 88206, 98328, 117608, 122910, 124440, 147010, 163880, 176412, 220515, 245820, 249917, 294020, 352824, 441030, 491640, 499834, 588040, 749751, 882060, 999668, 1249585, 1499502, 1764120, 1999336, 2499170, 2999004, 3748755, 4998340, 5998008, 7497510, 9996680, 14995020, 29990040]

約数ペア:

[(1, 29990040), (2, 14995020), (3, 9996680), (4, 7497510), (5, 5998008), (6, 4998340), (8, 3748755), (10, 2999004), (12, 2499170), (15, 1999336), (17, 1764120), (20, 1499502), (24, 1249585), (30, 999668), (34, 882060), (40, 749751), (51, 588040), (60, 499834), (61, 491640), (68, 441030), (85, 352824), (102, 294020), (120, 249917), (122, 245820), (136, 220515), (170, 176412), (183, 163880), (204, 147010), (241, 124440), (244, 122910), (255, 117608), (305, 98328), (340, 88206), (366, 81940), (408, 73505), (482, 62220), (488, 61455), (510, 58804), (610, 49164), (680, 44103), (723, 41480), (732, 40970), (915, 32776), (964, 31110), (1020, 29402), (1037, 28920), (1205, 24888), (1220, 24582), (1446, 20740), (1464, 20485), (1830, 16388), (1928, 15555), (2040, 14701), (2074, 14460), (2410, 12444), (2440, 12291), (2892, 10370), (3111, 9640), (3615, 8296), (3660, 8194), (4097, 7320), (4148, 7230), (4820, 6222), (5185, 5784)]