159777720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 192

約数和(自身を含む): 545126400

約数和(自身を除く): 385348680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 103, 120, 124, 139, 155, 180, 186, 206, 248, 278, 279, 309, 310, 360, 372, 412, 417, 465, 515, 556, 558, 618, 620, 695, 744, 824, 834, 927, 930, 1030, 1112, 1116, 1236, 1240, 1251, 1390, 1395, 1545, 1668, 1854, 1860, 2060, 2085, 2232, 2472, 2502, 2780, 2790, 3090, 3193, 3336, 3708, 3720, 4120, 4170, 4309, 4635, 5004, 5560, 5580, 6180, 6255, 6386, 7416, 8340, 8618, 9270, 9579, 10008, 11160, 12360, 12510, 12772, 12927, 14317, 15965, 16680, 17236, 18540, 19158, 21545, 25020, 25544, 25854, 28634, 28737, 31930, 34472, 37080, 38316, 38781, 42951, 43090, 47895, 50040, 51708, 57268, 57474, 63860, 64635, 71585, 76632, 77562, 85902, 86180, 95790, 103416, 114536, 114948, 127720, 128853, 129270, 143170, 143685, 155124, 171804, 172360, 191580, 193905, 214755, 229896, 257706, 258540, 286340, 287370, 310248, 343608, 383160, 387810, 429510, 443827, 515412, 517080, 572680, 574740, 644265, 775620, 859020, 887654, 1030824, 1149480, 1288530, 1331481, 1551240, 1718040, 1775308, 2219135, 2577060, 2662962, 3550616, 3994443, 4438270, 5154120, 5325924, 6657405, 7988886, 8876540, 10651848, 13314810, 15977772, 17753080, 19972215, 26629620, 31955544, 39944430, 53259240, 79888860, 159777720]

約数ペア:

[(1, 159777720), (2, 79888860), (3, 53259240), (4, 39944430), (5, 31955544), (6, 26629620), (8, 19972215), (9, 17753080), (10, 15977772), (12, 13314810), (15, 10651848), (18, 8876540), (20, 7988886), (24, 6657405), (30, 5325924), (31, 5154120), (36, 4438270), (40, 3994443), (45, 3550616), (60, 2662962), (62, 2577060), (72, 2219135), (90, 1775308), (93, 1718040), (103, 1551240), (120, 1331481), (124, 1288530), (139, 1149480), (155, 1030824), (180, 887654), (186, 859020), (206, 775620), (248, 644265), (278, 574740), (279, 572680), (309, 517080), (310, 515412), (360, 443827), (372, 429510), (412, 387810), (417, 383160), (465, 343608), (515, 310248), (556, 287370), (558, 286340), (618, 258540), (620, 257706), (695, 229896), (744, 214755), (824, 193905), (834, 191580), (927, 172360), (930, 171804), (1030, 155124), (1112, 143685), (1116, 143170), (1236, 129270), (1240, 128853), (1251, 127720), (1390, 114948), (1395, 114536), (1545, 103416), (1668, 95790), (1854, 86180), (1860, 85902), (2060, 77562), (2085, 76632), (2232, 71585), (2472, 64635), (2502, 63860), (2780, 57474), (2790, 57268), (3090, 51708), (3193, 50040), (3336, 47895), (3708, 43090), (3720, 42951), (4120, 38781), (4170, 38316), (4309, 37080), (4635, 34472), (5004, 31930), (5560, 28737), (5580, 28634), (6180, 25854), (6255, 25544), (6386, 25020), (7416, 21545), (8340, 19158), (8618, 18540), (9270, 17236), (9579, 16680), (10008, 15965), (11160, 14317), (12360, 12927), (12510, 12772)]