305158020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 895442688

約数和(自身を除く): 590284668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 397, 460, 557, 690, 794, 1114, 1191, 1380, 1588, 1671, 1985, 2228, 2382, 2785, 3342, 3970, 4764, 5570, 5955, 6684, 7940, 8355, 9131, 11140, 11910, 12811, 16710, 18262, 23820, 25622, 27393, 33420, 36524, 38433, 45655, 51244, 54786, 64055, 76866, 91310, 109572, 128110, 136965, 153732, 182620, 192165, 221129, 256220, 273930, 384330, 442258, 547860, 663387, 768660, 884516, 1105645, 1326774, 2211290, 2653548, 3316935, 4422580, 5085967, 6633870, 10171934, 13267740, 15257901, 20343868, 25429835, 30515802, 50859670, 61031604, 76289505, 101719340, 152579010, 305158020]

約数ペア:

[(1, 305158020), (2, 152579010), (3, 101719340), (4, 76289505), (5, 61031604), (6, 50859670), (10, 30515802), (12, 25429835), (15, 20343868), (20, 15257901), (23, 13267740), (30, 10171934), (46, 6633870), (60, 5085967), (69, 4422580), (92, 3316935), (115, 2653548), (138, 2211290), (230, 1326774), (276, 1105645), (345, 884516), (397, 768660), (460, 663387), (557, 547860), (690, 442258), (794, 384330), (1114, 273930), (1191, 256220), (1380, 221129), (1588, 192165), (1671, 182620), (1985, 153732), (2228, 136965), (2382, 128110), (2785, 109572), (3342, 91310), (3970, 76866), (4764, 64055), (5570, 54786), (5955, 51244), (6684, 45655), (7940, 38433), (8355, 36524), (9131, 33420), (11140, 27393), (11910, 25622), (12811, 23820), (16710, 18262)]