30206820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 104509440

約数和(自身を除く): 74302620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 53, 59, 60, 69, 70, 84, 92, 105, 106, 115, 118, 138, 140, 159, 161, 177, 210, 212, 230, 236, 265, 276, 295, 318, 322, 345, 354, 371, 413, 420, 460, 483, 530, 590, 636, 644, 690, 708, 742, 795, 805, 826, 885, 966, 1060, 1113, 1180, 1219, 1239, 1357, 1380, 1484, 1590, 1610, 1652, 1770, 1855, 1932, 2065, 2226, 2415, 2438, 2478, 2714, 3127, 3180, 3220, 3540, 3657, 3710, 4071, 4130, 4452, 4830, 4876, 4956, 5428, 5565, 6095, 6195, 6254, 6785, 7314, 7420, 8142, 8260, 8533, 9381, 9499, 9660, 11130, 12190, 12390, 12508, 13570, 14628, 15635, 16284, 17066, 18285, 18762, 18998, 20355, 21889, 22260, 24380, 24780, 25599, 27140, 28497, 31270, 34132, 36570, 37524, 37996, 40710, 42665, 43778, 46905, 47495, 51198, 56994, 62540, 65667, 71921, 73140, 81420, 85330, 87556, 93810, 94990, 102396, 109445, 113988, 127995, 131334, 142485, 143842, 170660, 187620, 189980, 215763, 218890, 255990, 262668, 284970, 287684, 328335, 359605, 431526, 437780, 503447, 511980, 569940, 656670, 719210, 863052, 1006894, 1078815, 1313340, 1438420, 1510341, 2013788, 2157630, 2517235, 3020682, 4315260, 5034470, 6041364, 7551705, 10068940, 15103410, 30206820]

約数ペア:

[(1, 30206820), (2, 15103410), (3, 10068940), (4, 7551705), (5, 6041364), (6, 5034470), (7, 4315260), (10, 3020682), (12, 2517235), (14, 2157630), (15, 2013788), (20, 1510341), (21, 1438420), (23, 1313340), (28, 1078815), (30, 1006894), (35, 863052), (42, 719210), (46, 656670), (53, 569940), (59, 511980), (60, 503447), (69, 437780), (70, 431526), (84, 359605), (92, 328335), (105, 287684), (106, 284970), (115, 262668), (118, 255990), (138, 218890), (140, 215763), (159, 189980), (161, 187620), (177, 170660), (210, 143842), (212, 142485), (230, 131334), (236, 127995), (265, 113988), (276, 109445), (295, 102396), (318, 94990), (322, 93810), (345, 87556), (354, 85330), (371, 81420), (413, 73140), (420, 71921), (460, 65667), (483, 62540), (530, 56994), (590, 51198), (636, 47495), (644, 46905), (690, 43778), (708, 42665), (742, 40710), (795, 37996), (805, 37524), (826, 36570), (885, 34132), (966, 31270), (1060, 28497), (1113, 27140), (1180, 25599), (1219, 24780), (1239, 24380), (1357, 22260), (1380, 21889), (1484, 20355), (1590, 18998), (1610, 18762), (1652, 18285), (1770, 17066), (1855, 16284), (1932, 15635), (2065, 14628), (2226, 13570), (2415, 12508), (2438, 12390), (2478, 12190), (2714, 11130), (3127, 9660), (3180, 9499), (3220, 9381), (3540, 8533), (3657, 8260), (3710, 8142), (4071, 7420), (4130, 7314), (4452, 6785), (4830, 6254), (4876, 6195), (4956, 6095), (5428, 5565)]