18591040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 112

約数和(自身を含む): 49286160

約数和(自身を除く): 30695120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 109, 130, 160, 164, 205, 208, 218, 260, 320, 328, 410, 416, 436, 520, 533, 545, 656, 820, 832, 872, 1040, 1066, 1090, 1312, 1417, 1640, 1744, 2080, 2132, 2180, 2624, 2665, 2834, 3280, 3488, 4160, 4264, 4360, 4469, 5330, 5668, 6560, 6976, 7085, 8528, 8720, 8938, 10660, 11336, 13120, 14170, 17056, 17440, 17876, 21320, 22345, 22672, 28340, 34112, 34880, 35752, 42640, 44690, 45344, 56680, 58097, 71504, 85280, 89380, 90688, 113360, 116194, 143008, 170560, 178760, 226720, 232388, 286016, 290485, 357520, 453440, 464776, 580970, 715040, 929552, 1161940, 1430080, 1859104, 2323880, 3718208, 4647760, 9295520, 18591040]

約数ペア:

[(1, 18591040), (2, 9295520), (4, 4647760), (5, 3718208), (8, 2323880), (10, 1859104), (13, 1430080), (16, 1161940), (20, 929552), (26, 715040), (32, 580970), (40, 464776), (41, 453440), (52, 357520), (64, 290485), (65, 286016), (80, 232388), (82, 226720), (104, 178760), (109, 170560), (130, 143008), (160, 116194), (164, 113360), (205, 90688), (208, 89380), (218, 85280), (260, 71504), (320, 58097), (328, 56680), (410, 45344), (416, 44690), (436, 42640), (520, 35752), (533, 34880), (545, 34112), (656, 28340), (820, 22672), (832, 22345), (872, 21320), (1040, 17876), (1066, 17440), (1090, 17056), (1312, 14170), (1417, 13120), (1640, 11336), (1744, 10660), (2080, 8938), (2132, 8720), (2180, 8528), (2624, 7085), (2665, 6976), (2834, 6560), (3280, 5668), (3488, 5330), (4160, 4469), (4264, 4360)]