78004880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 199275192

約数和(自身を除く): 121270312

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 73, 74, 76, 80, 95, 146, 148, 152, 185, 190, 292, 296, 304, 361, 365, 370, 380, 584, 592, 703, 722, 730, 740, 760, 1168, 1387, 1406, 1444, 1460, 1480, 1520, 1805, 2701, 2774, 2812, 2888, 2920, 2960, 3515, 3610, 5402, 5548, 5624, 5776, 5840, 6935, 7030, 7220, 10804, 11096, 11248, 13357, 13505, 13870, 14060, 14440, 21608, 22192, 26353, 26714, 27010, 27740, 28120, 28880, 43216, 51319, 52706, 53428, 54020, 55480, 56240, 66785, 102638, 105412, 106856, 108040, 110960, 131765, 133570, 205276, 210824, 213712, 216080, 256595, 263530, 267140, 410552, 421648, 513190, 527060, 534280, 821104, 975061, 1026380, 1054120, 1068560, 1950122, 2052760, 2108240, 3900244, 4105520, 4875305, 7800488, 9750610, 15600976, 19501220, 39002440, 78004880]

約数ペア:

[(1, 78004880), (2, 39002440), (4, 19501220), (5, 15600976), (8, 9750610), (10, 7800488), (16, 4875305), (19, 4105520), (20, 3900244), (37, 2108240), (38, 2052760), (40, 1950122), (73, 1068560), (74, 1054120), (76, 1026380), (80, 975061), (95, 821104), (146, 534280), (148, 527060), (152, 513190), (185, 421648), (190, 410552), (292, 267140), (296, 263530), (304, 256595), (361, 216080), (365, 213712), (370, 210824), (380, 205276), (584, 133570), (592, 131765), (703, 110960), (722, 108040), (730, 106856), (740, 105412), (760, 102638), (1168, 66785), (1387, 56240), (1406, 55480), (1444, 54020), (1460, 53428), (1480, 52706), (1520, 51319), (1805, 43216), (2701, 28880), (2774, 28120), (2812, 27740), (2888, 27010), (2920, 26714), (2960, 26353), (3515, 22192), (3610, 21608), (5402, 14440), (5548, 14060), (5624, 13870), (5776, 13505), (5840, 13357), (6935, 11248), (7030, 11096), (7220, 10804)]