406854572800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{31147}}^1$

素因数の和:31343

約数の個数: 216

約数和(自身を含む): 1091435015216

約数和(自身を除く): 684580442416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 157, 160, 200, 208, 256, 260, 314, 320, 325, 400, 416, 520, 628, 640, 650, 785, 800, 832, 1040, 1256, 1280, 1300, 1570, 1600, 1664, 2041, 2080, 2512, 2600, 3140, 3200, 3328, 3925, 4082, 4160, 5024, 5200, 6280, 6400, 7850, 8164, 8320, 10048, 10205, 10400, 12560, 15700, 16328, 16640, 20096, 20410, 20800, 25120, 31147, 31400, 32656, 40192, 40820, 41600, 50240, 51025, 62294, 62800, 65312, 81640, 83200, 100480, 102050, 124588, 125600, 130624, 155735, 163280, 200960, 204100, 249176, 251200, 261248, 311470, 326560, 404911, 408200, 498352, 502400, 522496, 622940, 653120, 778675, 809822, 816400, 996704, 1004800, 1245880, 1306240, 1557350, 1619644, 1632800, 1993408, 2024555, 2491760, 2612480, 3114700, 3239288, 3265600, 3986816, 4049110, 4890079, 4983520, 6229400, 6478576, 6531200, 7973632, 8098220, 9780158, 9967040, 10122775, 12458800, 12957152, 13062400, 16196440, 19560316, 19934080, 20245550, 24450395, 24917600, 25914304, 32392880, 39120632, 39868160, 40491100, 48900790, 49835200, 51828608, 63571027, 64785760, 78241264, 80982200, 97801580, 99670400, 103657216, 122251975, 127142054, 129571520, 156482528, 161964400, 195603160, 199340800, 244503950, 254284108, 259143040, 312965056, 317855135, 323928800, 391206320, 489007900, 508568216, 518286080, 625930112, 635710270, 647857600, 782412640, 978015800, 1017136432, 1251860224, 1271420540, 1295715200, 1564825280, 1589275675, 1956031600, 2034272864, 2542841080, 2591430400, 3129650560, 3178551350, 3912063200, 4068545728, 5085682160, 6259301120, 6357102700, 7824126400, 8137091456, 10171364320, 12714205400, 15648252800, 16274182912, 20342728640, 25428410800, 31296505600, 40685457280, 50856821600, 81370914560, 101713643200, 203427286400, 406854572800]

約数ペア:

[(1, 406854572800), (2, 203427286400), (4, 101713643200), (5, 81370914560), (8, 50856821600), (10, 40685457280), (13, 31296505600), (16, 25428410800), (20, 20342728640), (25, 16274182912), (26, 15648252800), (32, 12714205400), (40, 10171364320), (50, 8137091456), (52, 7824126400), (64, 6357102700), (65, 6259301120), (80, 5085682160), (100, 4068545728), (104, 3912063200), (128, 3178551350), (130, 3129650560), (157, 2591430400), (160, 2542841080), (200, 2034272864), (208, 1956031600), (256, 1589275675), (260, 1564825280), (314, 1295715200), (320, 1271420540), (325, 1251860224), (400, 1017136432), (416, 978015800), (520, 782412640), (628, 647857600), (640, 635710270), (650, 625930112), (785, 518286080), (800, 508568216), (832, 489007900), (1040, 391206320), (1256, 323928800), (1280, 317855135), (1300, 312965056), (1570, 259143040), (1600, 254284108), (1664, 244503950), (2041, 199340800), (2080, 195603160), (2512, 161964400), (2600, 156482528), (3140, 129571520), (3200, 127142054), (3328, 122251975), (3925, 103657216), (4082, 99670400), (4160, 97801580), (5024, 80982200), (5200, 78241264), (6280, 64785760), (6400, 63571027), (7850, 51828608), (8164, 49835200), (8320, 48900790), (10048, 40491100), (10205, 39868160), (10400, 39120632), (12560, 32392880), (15700, 25914304), (16328, 24917600), (16640, 24450395), (20096, 20245550), (20410, 19934080), (20800, 19560316), (25120, 16196440), (31147, 13062400), (31400, 12957152), (32656, 12458800), (40192, 10122775), (40820, 9967040), (41600, 9780158), (50240, 8098220), (51025, 7973632), (62294, 6531200), (62800, 6478576), (65312, 6229400), (81640, 4983520), (83200, 4890079), (100480, 4049110), (102050, 3986816), (124588, 3265600), (125600, 3239288), (130624, 3114700), (155735, 2612480), (163280, 2491760), (200960, 2024555), (204100, 1993408), (249176, 1632800), (251200, 1619644), (261248, 1557350), (311470, 1306240), (326560, 1245880), (404911, 1004800), (408200, 996704), (498352, 816400), (502400, 809822), (522496, 778675), (622940, 653120)]