257190960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:432

約数の個数: 240

約数和(自身を含む): 916575264

約数和(自身を除く): 659384304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 169, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 338, 340, 373, 390, 408, 442, 507, 510, 520, 624, 663, 676, 680, 746, 780, 816, 845, 884, 1014, 1020, 1040, 1105, 1119, 1326, 1352, 1360, 1492, 1560, 1690, 1768, 1865, 2028, 2040, 2210, 2238, 2535, 2652, 2704, 2873, 2984, 3120, 3315, 3380, 3536, 3730, 4056, 4080, 4420, 4476, 4849, 5070, 5304, 5595, 5746, 5968, 6341, 6630, 6760, 7460, 8112, 8619, 8840, 8952, 9698, 10140, 10608, 11190, 11492, 12682, 13260, 13520, 14365, 14547, 14920, 17238, 17680, 17904, 19023, 19396, 20280, 22380, 22984, 24245, 25364, 26520, 28730, 29094, 29840, 31705, 34476, 38046, 38792, 40560, 43095, 44760, 45968, 48490, 50728, 53040, 57460, 58188, 63037, 63410, 68952, 72735, 76092, 77584, 82433, 86190, 89520, 95115, 96980, 101456, 114920, 116376, 126074, 126820, 137904, 145470, 152184, 164866, 172380, 189111, 190230, 193960, 229840, 232752, 247299, 252148, 253640, 290940, 304368, 315185, 329732, 344760, 378222, 380460, 387920, 412165, 494598, 504296, 507280, 581880, 630370, 659464, 689520, 756444, 760920, 824330, 945555, 989196, 1008592, 1071629, 1163760, 1236495, 1260740, 1318928, 1512888, 1521840, 1648660, 1891110, 1978392, 2143258, 2472990, 2521480, 3025776, 3214887, 3297320, 3782220, 3956784, 4286516, 4945980, 5042960, 5358145, 6429774, 6594640, 7564440, 8573032, 9891960, 10716290, 12859548, 15128880, 16074435, 17146064, 19783920, 21432580, 25719096, 32148870, 42865160, 51438192, 64297740, 85730320, 128595480, 257190960]

約数ペア:

[(1, 257190960), (2, 128595480), (3, 85730320), (4, 64297740), (5, 51438192), (6, 42865160), (8, 32148870), (10, 25719096), (12, 21432580), (13, 19783920), (15, 17146064), (16, 16074435), (17, 15128880), (20, 12859548), (24, 10716290), (26, 9891960), (30, 8573032), (34, 7564440), (39, 6594640), (40, 6429774), (48, 5358145), (51, 5042960), (52, 4945980), (60, 4286516), (65, 3956784), (68, 3782220), (78, 3297320), (80, 3214887), (85, 3025776), (102, 2521480), (104, 2472990), (120, 2143258), (130, 1978392), (136, 1891110), (156, 1648660), (169, 1521840), (170, 1512888), (195, 1318928), (204, 1260740), (208, 1236495), (221, 1163760), (240, 1071629), (255, 1008592), (260, 989196), (272, 945555), (312, 824330), (338, 760920), (340, 756444), (373, 689520), (390, 659464), (408, 630370), (442, 581880), (507, 507280), (510, 504296), (520, 494598), (624, 412165), (663, 387920), (676, 380460), (680, 378222), (746, 344760), (780, 329732), (816, 315185), (845, 304368), (884, 290940), (1014, 253640), (1020, 252148), (1040, 247299), (1105, 232752), (1119, 229840), (1326, 193960), (1352, 190230), (1360, 189111), (1492, 172380), (1560, 164866), (1690, 152184), (1768, 145470), (1865, 137904), (2028, 126820), (2040, 126074), (2210, 116376), (2238, 114920), (2535, 101456), (2652, 96980), (2704, 95115), (2873, 89520), (2984, 86190), (3120, 82433), (3315, 77584), (3380, 76092), (3536, 72735), (3730, 68952), (4056, 63410), (4080, 63037), (4420, 58188), (4476, 57460), (4849, 53040), (5070, 50728), (5304, 48490), (5595, 45968), (5746, 44760), (5968, 43095), (6341, 40560), (6630, 38792), (6760, 38046), (7460, 34476), (8112, 31705), (8619, 29840), (8840, 29094), (8952, 28730), (9698, 26520), (10140, 25364), (10608, 24245), (11190, 22984), (11492, 22380), (12682, 20280), (13260, 19396), (13520, 19023), (14365, 17904), (14547, 17680), (14920, 17238)]