644807760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{587}}^1$

素因数の和:825

約数の個数: 160

約数和(自身を含む): 2099865600

約数和(自身を除く): 1455057840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 199, 230, 240, 276, 345, 368, 398, 460, 552, 587, 597, 690, 796, 920, 995, 1104, 1174, 1194, 1380, 1592, 1761, 1840, 1990, 2348, 2388, 2760, 2935, 2985, 3184, 3522, 3980, 4577, 4696, 4776, 5520, 5870, 5970, 7044, 7960, 8805, 9154, 9392, 9552, 11740, 11940, 13501, 13731, 14088, 15920, 17610, 18308, 22885, 23480, 23880, 27002, 27462, 28176, 35220, 36616, 40503, 45770, 46960, 47760, 54004, 54924, 67505, 68655, 70440, 73232, 81006, 91540, 108008, 109848, 116813, 135010, 137310, 140880, 162012, 183080, 202515, 216016, 219696, 233626, 270020, 274620, 324024, 350439, 366160, 405030, 467252, 540040, 549240, 584065, 648048, 700878, 810060, 934504, 1080080, 1098480, 1168130, 1401756, 1620120, 1752195, 1869008, 2336260, 2686699, 2803512, 3240240, 3504390, 4672520, 5373398, 5607024, 7008780, 8060097, 9345040, 10746796, 13433495, 14017560, 16120194, 21493592, 26866990, 28035120, 32240388, 40300485, 42987184, 53733980, 64480776, 80600970, 107467960, 128961552, 161201940, 214935920, 322403880, 644807760]

約数ペア:

[(1, 644807760), (2, 322403880), (3, 214935920), (4, 161201940), (5, 128961552), (6, 107467960), (8, 80600970), (10, 64480776), (12, 53733980), (15, 42987184), (16, 40300485), (20, 32240388), (23, 28035120), (24, 26866990), (30, 21493592), (40, 16120194), (46, 14017560), (48, 13433495), (60, 10746796), (69, 9345040), (80, 8060097), (92, 7008780), (115, 5607024), (120, 5373398), (138, 4672520), (184, 3504390), (199, 3240240), (230, 2803512), (240, 2686699), (276, 2336260), (345, 1869008), (368, 1752195), (398, 1620120), (460, 1401756), (552, 1168130), (587, 1098480), (597, 1080080), (690, 934504), (796, 810060), (920, 700878), (995, 648048), (1104, 584065), (1174, 549240), (1194, 540040), (1380, 467252), (1592, 405030), (1761, 366160), (1840, 350439), (1990, 324024), (2348, 274620), (2388, 270020), (2760, 233626), (2935, 219696), (2985, 216016), (3184, 202515), (3522, 183080), (3980, 162012), (4577, 140880), (4696, 137310), (4776, 135010), (5520, 116813), (5870, 109848), (5970, 108008), (7044, 91540), (7960, 81006), (8805, 73232), (9154, 70440), (9392, 68655), (9552, 67505), (11740, 54924), (11940, 54004), (13501, 47760), (13731, 46960), (14088, 45770), (15920, 40503), (17610, 36616), (18308, 35220), (22885, 28176), (23480, 27462), (23880, 27002)]