319876875

素因数分解:

$3^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 631110480

約数和(自身を除く): 311233605

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 73, 75, 95, 123, 125, 171, 205, 219, 225, 285, 365, 369, 375, 475, 615, 625, 657, 779, 855, 1025, 1095, 1125, 1387, 1425, 1825, 1845, 1875, 2337, 2375, 2993, 3075, 3285, 3895, 4161, 4275, 5125, 5475, 5625, 6935, 7011, 7125, 8979, 9125, 9225, 11685, 11875, 12483, 14965, 15375, 16425, 19475, 20805, 21375, 25625, 26937, 27375, 34675, 35055, 35625, 44895, 45625, 46125, 56867, 58425, 62415, 74825, 76875, 82125, 97375, 104025, 106875, 134685, 136875, 170601, 173375, 175275, 224475, 230625, 284335, 292125, 312075, 374125, 410625, 486875, 511803, 520125, 673425, 853005, 866875, 876375, 1122375, 1421675, 1460625, 1560375, 1870625, 2559015, 2600625, 3367125, 4265025, 4381875, 5611875, 7108375, 7801875, 12795075, 16835625, 21325125, 35541875, 63975375, 106625625, 319876875]

約数ペア:

[(1, 319876875), (3, 106625625), (5, 63975375), (9, 35541875), (15, 21325125), (19, 16835625), (25, 12795075), (41, 7801875), (45, 7108375), (57, 5611875), (73, 4381875), (75, 4265025), (95, 3367125), (123, 2600625), (125, 2559015), (171, 1870625), (205, 1560375), (219, 1460625), (225, 1421675), (285, 1122375), (365, 876375), (369, 866875), (375, 853005), (475, 673425), (615, 520125), (625, 511803), (657, 486875), (779, 410625), (855, 374125), (1025, 312075), (1095, 292125), (1125, 284335), (1387, 230625), (1425, 224475), (1825, 175275), (1845, 173375), (1875, 170601), (2337, 136875), (2375, 134685), (2993, 106875), (3075, 104025), (3285, 97375), (3895, 82125), (4161, 76875), (4275, 74825), (5125, 62415), (5475, 58425), (5625, 56867), (6935, 46125), (7011, 45625), (7125, 44895), (8979, 35625), (9125, 35055), (9225, 34675), (11685, 27375), (11875, 26937), (12483, 25625), (14965, 21375), (15375, 20805), (16425, 19475)]