145804515260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 321306360480

約数和(自身を除く): 175501845220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 211, 229, 310, 314, 422, 458, 620, 628, 785, 844, 916, 961, 1055, 1145, 1570, 1922, 2110, 2290, 3140, 3844, 4220, 4580, 4805, 4867, 6541, 7099, 9610, 9734, 13082, 14198, 19220, 19468, 24335, 26164, 28396, 32705, 33127, 35495, 35953, 48319, 48670, 65410, 66254, 70990, 71906, 96638, 97340, 130820, 132508, 141980, 143812, 150877, 165635, 179765, 193276, 202771, 220069, 241595, 301754, 331270, 359530, 405542, 440138, 483190, 603508, 662540, 719060, 754385, 811084, 880276, 966380, 1013855, 1026937, 1100345, 1114543, 1497889, 1508770, 2027710, 2053874, 2200690, 2229086, 2995778, 3017540, 4055420, 4107748, 4401380, 4458172, 5134685, 5572715, 5991556, 7489445, 7586083, 10269370, 11145430, 14978890, 15172166, 20538740, 22290860, 29957780, 30344332, 31835047, 34550833, 37930415, 46434559, 63670094, 69101666, 75860830, 92869118, 127340188, 138203332, 151721660, 159175235, 172754165, 185738236, 232172795, 235168573, 318350470, 345508330, 464345590, 470337146, 636700940, 691016660, 928691180, 940674292, 1175842865, 2351685730, 4703371460, 7290225763, 14580451526, 29160903052, 36451128815, 72902257630, 145804515260]

約数ペア:

[(1, 145804515260), (2, 72902257630), (4, 36451128815), (5, 29160903052), (10, 14580451526), (20, 7290225763), (31, 4703371460), (62, 2351685730), (124, 1175842865), (155, 940674292), (157, 928691180), (211, 691016660), (229, 636700940), (310, 470337146), (314, 464345590), (422, 345508330), (458, 318350470), (620, 235168573), (628, 232172795), (785, 185738236), (844, 172754165), (916, 159175235), (961, 151721660), (1055, 138203332), (1145, 127340188), (1570, 92869118), (1922, 75860830), (2110, 69101666), (2290, 63670094), (3140, 46434559), (3844, 37930415), (4220, 34550833), (4580, 31835047), (4805, 30344332), (4867, 29957780), (6541, 22290860), (7099, 20538740), (9610, 15172166), (9734, 14978890), (13082, 11145430), (14198, 10269370), (19220, 7586083), (19468, 7489445), (24335, 5991556), (26164, 5572715), (28396, 5134685), (32705, 4458172), (33127, 4401380), (35495, 4107748), (35953, 4055420), (48319, 3017540), (48670, 2995778), (65410, 2229086), (66254, 2200690), (70990, 2053874), (71906, 2027710), (96638, 1508770), (97340, 1497889), (130820, 1114543), (132508, 1100345), (141980, 1026937), (143812, 1013855), (150877, 966380), (165635, 880276), (179765, 811084), (193276, 754385), (202771, 719060), (220069, 662540), (241595, 603508), (301754, 483190), (331270, 440138), (359530, 405542)]