1271916720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:408

約数の個数: 240

約数和(自身を含む): 4387219200

約数和(自身を除く): 3115302480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 139, 142, 144, 179, 180, 213, 240, 278, 284, 355, 358, 360, 417, 426, 537, 556, 568, 639, 695, 710, 716, 720, 834, 852, 895, 1065, 1074, 1112, 1136, 1251, 1278, 1390, 1420, 1432, 1611, 1668, 1704, 1790, 2085, 2130, 2148, 2224, 2502, 2556, 2685, 2780, 2840, 2864, 3195, 3222, 3336, 3408, 3580, 4170, 4260, 4296, 5004, 5112, 5370, 5560, 5680, 6255, 6390, 6444, 6672, 7160, 8055, 8340, 8520, 8592, 9869, 10008, 10224, 10740, 11120, 12510, 12709, 12780, 12888, 14320, 16110, 16680, 17040, 19738, 20016, 21480, 24881, 25020, 25418, 25560, 25776, 29607, 32220, 33360, 38127, 39476, 42960, 49345, 49762, 50040, 50836, 51120, 59214, 63545, 64440, 74643, 76254, 78952, 88821, 98690, 99524, 100080, 101672, 114381, 118428, 124405, 127090, 128880, 148035, 149286, 152508, 157904, 177642, 190635, 197380, 199048, 203344, 223929, 228762, 236856, 248810, 254180, 296070, 298572, 305016, 355284, 373215, 381270, 394760, 398096, 444105, 447858, 457524, 473712, 497620, 508360, 571905, 592140, 597144, 610032, 710568, 746430, 762540, 789520, 888210, 895716, 915048, 995240, 1016720, 1119645, 1143810, 1184280, 1194288, 1421136, 1492860, 1525080, 1766551, 1776420, 1791432, 1830096, 1990480, 2239290, 2287620, 2368560, 2985720, 3050160, 3533102, 3552840, 3582864, 4478580, 4575240, 5299653, 5971440, 7066204, 7105680, 8832755, 8957160, 9150480, 10599306, 14132408, 15898959, 17665510, 17914320, 21198612, 26498265, 28264816, 31797918, 35331020, 42397224, 52996530, 63595836, 70662040, 79494795, 84794448, 105993060, 127191672, 141324080, 158989590, 211986120, 254383344, 317979180, 423972240, 635958360, 1271916720]

約数ペア:

[(1, 1271916720), (2, 635958360), (3, 423972240), (4, 317979180), (5, 254383344), (6, 211986120), (8, 158989590), (9, 141324080), (10, 127191672), (12, 105993060), (15, 84794448), (16, 79494795), (18, 70662040), (20, 63595836), (24, 52996530), (30, 42397224), (36, 35331020), (40, 31797918), (45, 28264816), (48, 26498265), (60, 21198612), (71, 17914320), (72, 17665510), (80, 15898959), (90, 14132408), (120, 10599306), (139, 9150480), (142, 8957160), (144, 8832755), (179, 7105680), (180, 7066204), (213, 5971440), (240, 5299653), (278, 4575240), (284, 4478580), (355, 3582864), (358, 3552840), (360, 3533102), (417, 3050160), (426, 2985720), (537, 2368560), (556, 2287620), (568, 2239290), (639, 1990480), (695, 1830096), (710, 1791432), (716, 1776420), (720, 1766551), (834, 1525080), (852, 1492860), (895, 1421136), (1065, 1194288), (1074, 1184280), (1112, 1143810), (1136, 1119645), (1251, 1016720), (1278, 995240), (1390, 915048), (1420, 895716), (1432, 888210), (1611, 789520), (1668, 762540), (1704, 746430), (1790, 710568), (2085, 610032), (2130, 597144), (2148, 592140), (2224, 571905), (2502, 508360), (2556, 497620), (2685, 473712), (2780, 457524), (2840, 447858), (2864, 444105), (3195, 398096), (3222, 394760), (3336, 381270), (3408, 373215), (3580, 355284), (4170, 305016), (4260, 298572), (4296, 296070), (5004, 254180), (5112, 248810), (5370, 236856), (5560, 228762), (5680, 223929), (6255, 203344), (6390, 199048), (6444, 197380), (6672, 190635), (7160, 177642), (8055, 157904), (8340, 152508), (8520, 149286), (8592, 148035), (9869, 128880), (10008, 127090), (10224, 124405), (10740, 118428), (11120, 114381), (12510, 101672), (12709, 100080), (12780, 99524), (12888, 98690), (14320, 88821), (16110, 78952), (16680, 76254), (17040, 74643), (19738, 64440), (20016, 63545), (21480, 59214), (24881, 51120), (25020, 50836), (25418, 50040), (25560, 49762), (25776, 49345), (29607, 42960), (32220, 39476), (33360, 38127)]