391159907840

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{31511}}^1$

素因数の和:31920

約数の個数: 160

約数和(自身を含む): 1012750554816

約数和(自身を除く): 621590646976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 373, 416, 512, 520, 640, 746, 832, 1040, 1280, 1492, 1664, 1865, 2080, 2560, 2984, 3328, 3730, 4160, 4849, 5968, 6656, 7460, 8320, 9698, 11936, 14920, 16640, 19396, 23872, 24245, 29840, 31511, 33280, 38792, 47744, 48490, 59680, 63022, 77584, 95488, 96980, 119360, 126044, 155168, 157555, 190976, 193960, 238720, 252088, 310336, 315110, 387920, 409643, 477440, 504176, 620672, 630220, 775840, 819286, 954880, 1008352, 1241344, 1260440, 1551680, 1638572, 2016704, 2048215, 2482688, 2520880, 3103360, 3277144, 4033408, 4096430, 5041760, 6206720, 6554288, 8066816, 8192860, 10083520, 11753603, 12413440, 13108576, 16133632, 16385720, 20167040, 23507206, 26217152, 32771440, 40334080, 47014412, 52434304, 58768015, 65542880, 80668160, 94028824, 104868608, 117536030, 131085760, 152796839, 188057648, 209737216, 235072060, 262171520, 305593678, 376115296, 470144120, 524343040, 611187356, 752230592, 763984195, 940288240, 1048686080, 1222374712, 1504461184, 1527968390, 1880576480, 2444749424, 3008922368, 3055936780, 3761152960, 4889498848, 6017844736, 6111873560, 7522305920, 9778997696, 12223747120, 15044611840, 19557995392, 24447494240, 30089223680, 39115990784, 48894988480, 78231981568, 97789976960, 195579953920, 391159907840]

約数ペア:

[(1, 391159907840), (2, 195579953920), (4, 97789976960), (5, 78231981568), (8, 48894988480), (10, 39115990784), (13, 30089223680), (16, 24447494240), (20, 19557995392), (26, 15044611840), (32, 12223747120), (40, 9778997696), (52, 7522305920), (64, 6111873560), (65, 6017844736), (80, 4889498848), (104, 3761152960), (128, 3055936780), (130, 3008922368), (160, 2444749424), (208, 1880576480), (256, 1527968390), (260, 1504461184), (320, 1222374712), (373, 1048686080), (416, 940288240), (512, 763984195), (520, 752230592), (640, 611187356), (746, 524343040), (832, 470144120), (1040, 376115296), (1280, 305593678), (1492, 262171520), (1664, 235072060), (1865, 209737216), (2080, 188057648), (2560, 152796839), (2984, 131085760), (3328, 117536030), (3730, 104868608), (4160, 94028824), (4849, 80668160), (5968, 65542880), (6656, 58768015), (7460, 52434304), (8320, 47014412), (9698, 40334080), (11936, 32771440), (14920, 26217152), (16640, 23507206), (19396, 20167040), (23872, 16385720), (24245, 16133632), (29840, 13108576), (31511, 12413440), (33280, 11753603), (38792, 10083520), (47744, 8192860), (48490, 8066816), (59680, 6554288), (63022, 6206720), (77584, 5041760), (95488, 4096430), (96980, 4033408), (119360, 3277144), (126044, 3103360), (155168, 2520880), (157555, 2482688), (190976, 2048215), (193960, 2016704), (238720, 1638572), (252088, 1551680), (310336, 1260440), (315110, 1241344), (387920, 1008352), (409643, 954880), (477440, 819286), (504176, 775840), (620672, 630220)]