135870520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 340992000

約数和(自身を除く): 205121480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 73, 76, 79, 95, 124, 146, 152, 155, 158, 190, 248, 292, 310, 316, 365, 380, 395, 584, 589, 620, 632, 730, 760, 790, 1178, 1240, 1387, 1460, 1501, 1580, 2263, 2356, 2449, 2774, 2920, 2945, 3002, 3160, 4526, 4712, 4898, 5548, 5767, 5890, 6004, 6935, 7505, 9052, 9796, 11096, 11315, 11534, 11780, 12008, 12245, 13870, 15010, 18104, 19592, 22630, 23068, 23560, 24490, 27740, 28835, 30020, 42997, 45260, 46136, 46531, 48980, 55480, 57670, 60040, 85994, 90520, 93062, 97960, 109573, 115340, 171988, 178777, 186124, 214985, 219146, 230680, 232655, 343976, 357554, 372248, 429970, 438292, 465310, 547865, 715108, 859940, 876584, 893885, 930620, 1095730, 1430216, 1719880, 1787770, 1861240, 2191460, 3396763, 3575540, 4382920, 6793526, 7151080, 13587052, 16983815, 27174104, 33967630, 67935260, 135870520]

約数ペア:

[(1, 135870520), (2, 67935260), (4, 33967630), (5, 27174104), (8, 16983815), (10, 13587052), (19, 7151080), (20, 6793526), (31, 4382920), (38, 3575540), (40, 3396763), (62, 2191460), (73, 1861240), (76, 1787770), (79, 1719880), (95, 1430216), (124, 1095730), (146, 930620), (152, 893885), (155, 876584), (158, 859940), (190, 715108), (248, 547865), (292, 465310), (310, 438292), (316, 429970), (365, 372248), (380, 357554), (395, 343976), (584, 232655), (589, 230680), (620, 219146), (632, 214985), (730, 186124), (760, 178777), (790, 171988), (1178, 115340), (1240, 109573), (1387, 97960), (1460, 93062), (1501, 90520), (1580, 85994), (2263, 60040), (2356, 57670), (2449, 55480), (2774, 48980), (2920, 46531), (2945, 46136), (3002, 45260), (3160, 42997), (4526, 30020), (4712, 28835), (4898, 27740), (5548, 24490), (5767, 23560), (5890, 23068), (6004, 22630), (6935, 19592), (7505, 18104), (9052, 15010), (9796, 13870), (11096, 12245), (11315, 12008), (11534, 11780)]