30210440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 76091400

約数和(自身を除く): 45880960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 109, 130, 164, 169, 205, 218, 260, 328, 338, 410, 436, 520, 533, 545, 676, 820, 845, 872, 1066, 1090, 1352, 1417, 1640, 1690, 2132, 2180, 2665, 2834, 3380, 4264, 4360, 4469, 5330, 5668, 6760, 6929, 7085, 8938, 10660, 11336, 13858, 14170, 17876, 18421, 21320, 22345, 27716, 28340, 34645, 35752, 36842, 44690, 55432, 56680, 58097, 69290, 73684, 89380, 92105, 116194, 138580, 147368, 178760, 184210, 232388, 277160, 290485, 368420, 464776, 580970, 736840, 755261, 1161940, 1510522, 2323880, 3021044, 3776305, 6042088, 7552610, 15105220, 30210440]

約数ペア:

[(1, 30210440), (2, 15105220), (4, 7552610), (5, 6042088), (8, 3776305), (10, 3021044), (13, 2323880), (20, 1510522), (26, 1161940), (40, 755261), (41, 736840), (52, 580970), (65, 464776), (82, 368420), (104, 290485), (109, 277160), (130, 232388), (164, 184210), (169, 178760), (205, 147368), (218, 138580), (260, 116194), (328, 92105), (338, 89380), (410, 73684), (436, 69290), (520, 58097), (533, 56680), (545, 55432), (676, 44690), (820, 36842), (845, 35752), (872, 34645), (1066, 28340), (1090, 27716), (1352, 22345), (1417, 21320), (1640, 18421), (1690, 17876), (2132, 14170), (2180, 13858), (2665, 11336), (2834, 10660), (3380, 8938), (4264, 7085), (4360, 6929), (4469, 6760), (5330, 5668)]