256230960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:795

約数の個数: 160

約数和(自身を含む): 847445760

約数和(自身を除く): 591214800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 83, 95, 114, 120, 152, 166, 190, 228, 240, 249, 285, 304, 332, 380, 415, 456, 498, 570, 664, 677, 760, 830, 912, 996, 1140, 1245, 1328, 1354, 1520, 1577, 1660, 1992, 2031, 2280, 2490, 2708, 3154, 3320, 3385, 3984, 4062, 4560, 4731, 4980, 5416, 6308, 6640, 6770, 7885, 8124, 9462, 9960, 10155, 10832, 12616, 12863, 13540, 15770, 16248, 18924, 19920, 20310, 23655, 25232, 25726, 27080, 31540, 32496, 37848, 38589, 40620, 47310, 51452, 54160, 56191, 63080, 64315, 75696, 77178, 81240, 94620, 102904, 112382, 126160, 128630, 154356, 162480, 168573, 189240, 192945, 205808, 224764, 257260, 280955, 308712, 337146, 378480, 385890, 449528, 514520, 561910, 617424, 674292, 771780, 842865, 899056, 1029040, 1067629, 1123820, 1348584, 1543560, 1685730, 2135258, 2247640, 2697168, 3087120, 3202887, 3371460, 4270516, 4495280, 5338145, 6405774, 6742920, 8541032, 10676290, 12811548, 13485840, 16014435, 17082064, 21352580, 25623096, 32028870, 42705160, 51246192, 64057740, 85410320, 128115480, 256230960]

約数ペア:

[(1, 256230960), (2, 128115480), (3, 85410320), (4, 64057740), (5, 51246192), (6, 42705160), (8, 32028870), (10, 25623096), (12, 21352580), (15, 17082064), (16, 16014435), (19, 13485840), (20, 12811548), (24, 10676290), (30, 8541032), (38, 6742920), (40, 6405774), (48, 5338145), (57, 4495280), (60, 4270516), (76, 3371460), (80, 3202887), (83, 3087120), (95, 2697168), (114, 2247640), (120, 2135258), (152, 1685730), (166, 1543560), (190, 1348584), (228, 1123820), (240, 1067629), (249, 1029040), (285, 899056), (304, 842865), (332, 771780), (380, 674292), (415, 617424), (456, 561910), (498, 514520), (570, 449528), (664, 385890), (677, 378480), (760, 337146), (830, 308712), (912, 280955), (996, 257260), (1140, 224764), (1245, 205808), (1328, 192945), (1354, 189240), (1520, 168573), (1577, 162480), (1660, 154356), (1992, 128630), (2031, 126160), (2280, 112382), (2490, 102904), (2708, 94620), (3154, 81240), (3320, 77178), (3385, 75696), (3984, 64315), (4062, 63080), (4560, 56191), (4731, 54160), (4980, 51452), (5416, 47310), (6308, 40620), (6640, 38589), (6770, 37848), (7885, 32496), (8124, 31540), (9462, 27080), (9960, 25726), (10155, 25232), (10832, 23655), (12616, 20310), (12863, 19920), (13540, 18924), (15770, 16248)]