20321763120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1499}}^1$

素因数の和:2528

約数の個数: 240

約数和(自身を含む): 71959680000

約数和(自身を除く): 51637916880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 991, 1140, 1368, 1499, 1520, 1710, 1982, 2280, 2736, 2973, 2998, 3420, 3964, 4497, 4560, 4955, 5946, 5996, 6840, 7495, 7928, 8919, 8994, 9910, 11892, 11992, 13491, 13680, 14865, 14990, 15856, 17838, 17988, 18829, 19820, 22485, 23784, 23984, 26982, 28481, 29730, 29980, 35676, 35976, 37658, 39640, 44595, 44970, 47568, 53964, 56487, 56962, 59460, 59960, 67455, 71352, 71952, 75316, 79280, 85443, 89190, 89940, 94145, 107928, 112974, 113924, 118920, 119920, 134910, 142405, 142704, 150632, 169461, 170886, 178380, 179880, 188290, 215856, 225948, 227848, 237840, 256329, 269820, 282435, 284810, 301264, 338922, 341772, 356760, 359760, 376580, 427215, 451896, 455696, 512658, 539640, 564870, 569620, 677844, 683544, 713520, 753160, 847305, 854430, 903792, 1025316, 1079280, 1129740, 1139240, 1281645, 1355688, 1367088, 1485509, 1506320, 1694610, 1708860, 2050632, 2259480, 2278480, 2563290, 2711376, 2971018, 3389220, 3417720, 4101264, 4456527, 4518960, 5126580, 5942036, 6778440, 6835440, 7427545, 8913054, 10253160, 11884072, 13369581, 13556880, 14855090, 17826108, 20506320, 22282635, 23768144, 26739162, 28224671, 29710180, 35652216, 44565270, 53478324, 56449342, 59420360, 66847905, 71304432, 84674013, 89130540, 106956648, 112898684, 118840720, 133695810, 141123355, 169348026, 178261080, 213913296, 225797368, 254022039, 267391620, 282246710, 338696052, 356522160, 423370065, 451594736, 508044078, 534783240, 564493420, 677392104, 846740130, 1016088156, 1069566480, 1128986840, 1270110195, 1354784208, 1693480260, 2032176312, 2257973680, 2540220390, 3386960520, 4064352624, 5080440780, 6773921040, 10160881560, 20321763120]

約数ペア:

[(1, 20321763120), (2, 10160881560), (3, 6773921040), (4, 5080440780), (5, 4064352624), (6, 3386960520), (8, 2540220390), (9, 2257973680), (10, 2032176312), (12, 1693480260), (15, 1354784208), (16, 1270110195), (18, 1128986840), (19, 1069566480), (20, 1016088156), (24, 846740130), (30, 677392104), (36, 564493420), (38, 534783240), (40, 508044078), (45, 451594736), (48, 423370065), (57, 356522160), (60, 338696052), (72, 282246710), (76, 267391620), (80, 254022039), (90, 225797368), (95, 213913296), (114, 178261080), (120, 169348026), (144, 141123355), (152, 133695810), (171, 118840720), (180, 112898684), (190, 106956648), (228, 89130540), (240, 84674013), (285, 71304432), (304, 66847905), (342, 59420360), (360, 56449342), (380, 53478324), (456, 44565270), (570, 35652216), (684, 29710180), (720, 28224671), (760, 26739162), (855, 23768144), (912, 22282635), (991, 20506320), (1140, 17826108), (1368, 14855090), (1499, 13556880), (1520, 13369581), (1710, 11884072), (1982, 10253160), (2280, 8913054), (2736, 7427545), (2973, 6835440), (2998, 6778440), (3420, 5942036), (3964, 5126580), (4497, 4518960), (4560, 4456527), (4955, 4101264), (5946, 3417720), (5996, 3389220), (6840, 2971018), (7495, 2711376), (7928, 2563290), (8919, 2278480), (8994, 2259480), (9910, 2050632), (11892, 1708860), (11992, 1694610), (13491, 1506320), (13680, 1485509), (14865, 1367088), (14990, 1355688), (15856, 1281645), (17838, 1139240), (17988, 1129740), (18829, 1079280), (19820, 1025316), (22485, 903792), (23784, 854430), (23984, 847305), (26982, 753160), (28481, 713520), (29730, 683544), (29980, 677844), (35676, 569620), (35976, 564870), (37658, 539640), (39640, 512658), (44595, 455696), (44970, 451896), (47568, 427215), (53964, 376580), (56487, 359760), (56962, 356760), (59460, 341772), (59960, 338922), (67455, 301264), (71352, 284810), (71952, 282435), (75316, 269820), (79280, 256329), (85443, 237840), (89190, 227848), (89940, 225948), (94145, 215856), (107928, 188290), (112974, 179880), (113924, 178380), (118920, 170886), (119920, 169461), (134910, 150632), (142405, 142704)]