30436840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 81443880

約数和(自身を除く): 51007040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 196, 212, 245, 265, 280, 293, 371, 392, 424, 490, 530, 586, 742, 980, 1060, 1172, 1465, 1484, 1855, 1960, 2051, 2120, 2344, 2597, 2930, 2968, 3710, 4102, 5194, 5860, 7420, 8204, 10255, 10388, 11720, 12985, 14357, 14840, 15529, 16408, 20510, 20776, 25970, 28714, 31058, 41020, 51940, 57428, 62116, 71785, 77645, 82040, 103880, 108703, 114856, 124232, 143570, 155290, 217406, 287140, 310580, 434812, 543515, 574280, 621160, 760921, 869624, 1087030, 1521842, 2174060, 3043684, 3804605, 4348120, 6087368, 7609210, 15218420, 30436840]

約数ペア:

[(1, 30436840), (2, 15218420), (4, 7609210), (5, 6087368), (7, 4348120), (8, 3804605), (10, 3043684), (14, 2174060), (20, 1521842), (28, 1087030), (35, 869624), (40, 760921), (49, 621160), (53, 574280), (56, 543515), (70, 434812), (98, 310580), (106, 287140), (140, 217406), (196, 155290), (212, 143570), (245, 124232), (265, 114856), (280, 108703), (293, 103880), (371, 82040), (392, 77645), (424, 71785), (490, 62116), (530, 57428), (586, 51940), (742, 41020), (980, 31058), (1060, 28714), (1172, 25970), (1465, 20776), (1484, 20510), (1855, 16408), (1960, 15529), (2051, 14840), (2120, 14357), (2344, 12985), (2597, 11720), (2930, 10388), (2968, 10255), (3710, 8204), (4102, 7420), (5194, 5860)]