121728120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 378224640

約数和(自身を除く): 256496520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 113, 120, 141, 188, 191, 226, 235, 282, 339, 376, 382, 452, 470, 564, 565, 573, 678, 705, 764, 904, 940, 955, 1128, 1130, 1146, 1356, 1410, 1528, 1695, 1880, 1910, 2260, 2292, 2712, 2820, 2865, 3390, 3820, 4520, 4584, 5311, 5640, 5730, 6780, 7640, 8977, 10622, 11460, 13560, 15933, 17954, 21244, 21583, 22920, 26555, 26931, 31866, 35908, 42488, 43166, 44885, 53110, 53862, 63732, 64749, 71816, 79665, 86332, 89770, 106220, 107724, 107915, 127464, 129498, 134655, 159330, 172664, 179540, 212440, 215448, 215830, 258996, 269310, 318660, 323745, 359080, 431660, 517992, 538620, 637320, 647490, 863320, 1014401, 1077240, 1294980, 2028802, 2589960, 3043203, 4057604, 5072005, 6086406, 8115208, 10144010, 12172812, 15216015, 20288020, 24345624, 30432030, 40576040, 60864060, 121728120]

約数ペア:

[(1, 121728120), (2, 60864060), (3, 40576040), (4, 30432030), (5, 24345624), (6, 20288020), (8, 15216015), (10, 12172812), (12, 10144010), (15, 8115208), (20, 6086406), (24, 5072005), (30, 4057604), (40, 3043203), (47, 2589960), (60, 2028802), (94, 1294980), (113, 1077240), (120, 1014401), (141, 863320), (188, 647490), (191, 637320), (226, 538620), (235, 517992), (282, 431660), (339, 359080), (376, 323745), (382, 318660), (452, 269310), (470, 258996), (564, 215830), (565, 215448), (573, 212440), (678, 179540), (705, 172664), (764, 159330), (904, 134655), (940, 129498), (955, 127464), (1128, 107915), (1130, 107724), (1146, 106220), (1356, 89770), (1410, 86332), (1528, 79665), (1695, 71816), (1880, 64749), (1910, 63732), (2260, 53862), (2292, 53110), (2712, 44885), (2820, 43166), (2865, 42488), (3390, 35908), (3820, 31866), (4520, 26931), (4584, 26555), (5311, 22920), (5640, 21583), (5730, 21244), (6780, 17954), (7640, 15933), (8977, 13560), (10622, 11460)]