256747264420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{4027}}^1$

素因数の和:4370

約数の個数: 192

約数和(自身を含む): 617413902336

約数和(自身を除く): 360666637916

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 31, 34, 46, 62, 68, 85, 92, 115, 124, 155, 170, 230, 263, 310, 340, 391, 460, 526, 527, 620, 713, 782, 1052, 1054, 1315, 1426, 1564, 1955, 2108, 2630, 2635, 2852, 3565, 3910, 4027, 4471, 5260, 5270, 6049, 7130, 7820, 8054, 8153, 8942, 10540, 12098, 12121, 14260, 16108, 16306, 17884, 20135, 22355, 24196, 24242, 30245, 32612, 40270, 40765, 44710, 48484, 60490, 60605, 68459, 80540, 81530, 89420, 92621, 102833, 120980, 121210, 124837, 136918, 138601, 163060, 185242, 187519, 205666, 242420, 249674, 273836, 277202, 342295, 370484, 375038, 411332, 463105, 499348, 514165, 554404, 624185, 684590, 693005, 750076, 926210, 937595, 1028330, 1059101, 1248370, 1369180, 1386010, 1574557, 1852420, 1875190, 2056660, 2118202, 2122229, 2496740, 2772020, 2871251, 3149114, 3187823, 3750380, 4236404, 4244458, 5295505, 5742502, 6298228, 6375646, 7872785, 8488916, 10591010, 10611145, 11485004, 12751292, 14356255, 15745570, 15939115, 18004717, 21182020, 21222290, 24359323, 28712510, 31491140, 31878230, 32832131, 36009434, 42444580, 48718646, 48811267, 57425020, 63756460, 65664262, 72018868, 90023585, 97437292, 97622534, 121796615, 131328524, 164160655, 180047170, 195245068, 243593230, 244056335, 328321310, 360094340, 414108491, 487186460, 488112670, 558146227, 656642620, 755139013, 828216982, 976225340, 1116292454, 1510278026, 1656433964, 2070542455, 2232584908, 2790731135, 3020556052, 3775695065, 4141084910, 5581462270, 7551390130, 8282169820, 11162924540, 12837363221, 15102780260, 25674726442, 51349452884, 64186816105, 128373632210, 256747264420]

約数ペア:

[(1, 256747264420), (2, 128373632210), (4, 64186816105), (5, 51349452884), (10, 25674726442), (17, 15102780260), (20, 12837363221), (23, 11162924540), (31, 8282169820), (34, 7551390130), (46, 5581462270), (62, 4141084910), (68, 3775695065), (85, 3020556052), (92, 2790731135), (115, 2232584908), (124, 2070542455), (155, 1656433964), (170, 1510278026), (230, 1116292454), (263, 976225340), (310, 828216982), (340, 755139013), (391, 656642620), (460, 558146227), (526, 488112670), (527, 487186460), (620, 414108491), (713, 360094340), (782, 328321310), (1052, 244056335), (1054, 243593230), (1315, 195245068), (1426, 180047170), (1564, 164160655), (1955, 131328524), (2108, 121796615), (2630, 97622534), (2635, 97437292), (2852, 90023585), (3565, 72018868), (3910, 65664262), (4027, 63756460), (4471, 57425020), (5260, 48811267), (5270, 48718646), (6049, 42444580), (7130, 36009434), (7820, 32832131), (8054, 31878230), (8153, 31491140), (8942, 28712510), (10540, 24359323), (12098, 21222290), (12121, 21182020), (14260, 18004717), (16108, 15939115), (16306, 15745570), (17884, 14356255), (20135, 12751292), (22355, 11485004), (24196, 10611145), (24242, 10591010), (30245, 8488916), (32612, 7872785), (40270, 6375646), (40765, 6298228), (44710, 5742502), (48484, 5295505), (60490, 4244458), (60605, 4236404), (68459, 3750380), (80540, 3187823), (81530, 3149114), (89420, 2871251), (92621, 2772020), (102833, 2496740), (120980, 2122229), (121210, 2118202), (124837, 2056660), (136918, 1875190), (138601, 1852420), (163060, 1574557), (185242, 1386010), (187519, 1369180), (205666, 1248370), (242420, 1059101), (249674, 1028330), (273836, 937595), (277202, 926210), (342295, 750076), (370484, 693005), (375038, 684590), (411332, 624185), (463105, 554404), (499348, 514165)]