30881460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 92252160

約数和(自身を除く): 61370700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 103, 114, 190, 206, 228, 263, 285, 309, 380, 412, 515, 526, 570, 618, 789, 1030, 1052, 1140, 1236, 1315, 1545, 1578, 1957, 2060, 2630, 3090, 3156, 3914, 3945, 4997, 5260, 5871, 6180, 7828, 7890, 9785, 9994, 11742, 14991, 15780, 19570, 19988, 23484, 24985, 27089, 29355, 29982, 39140, 49970, 54178, 58710, 59964, 74955, 81267, 99940, 108356, 117420, 135445, 149910, 162534, 270890, 299820, 325068, 406335, 514691, 541780, 812670, 1029382, 1544073, 1625340, 2058764, 2573455, 3088146, 5146910, 6176292, 7720365, 10293820, 15440730, 30881460]

約数ペア:

[(1, 30881460), (2, 15440730), (3, 10293820), (4, 7720365), (5, 6176292), (6, 5146910), (10, 3088146), (12, 2573455), (15, 2058764), (19, 1625340), (20, 1544073), (30, 1029382), (38, 812670), (57, 541780), (60, 514691), (76, 406335), (95, 325068), (103, 299820), (114, 270890), (190, 162534), (206, 149910), (228, 135445), (263, 117420), (285, 108356), (309, 99940), (380, 81267), (412, 74955), (515, 59964), (526, 58710), (570, 54178), (618, 49970), (789, 39140), (1030, 29982), (1052, 29355), (1140, 27089), (1236, 24985), (1315, 23484), (1545, 19988), (1578, 19570), (1957, 15780), (2060, 14991), (2630, 11742), (3090, 9994), (3156, 9785), (3914, 7890), (3945, 7828), (4997, 6180), (5260, 5871)]