1640706240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:639

約数の個数: 224

約数和(自身を含む): 5520049920

約数和(自身を除く): 3879343680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 293, 304, 307, 320, 380, 456, 480, 570, 586, 608, 614, 760, 879, 912, 921, 960, 1140, 1172, 1216, 1228, 1465, 1520, 1535, 1758, 1824, 1842, 2280, 2344, 2456, 2930, 3040, 3070, 3516, 3648, 3684, 4395, 4560, 4605, 4688, 4912, 5567, 5833, 5860, 6080, 6140, 7032, 7368, 8790, 9120, 9210, 9376, 9824, 11134, 11666, 11720, 12280, 14064, 14736, 16701, 17499, 17580, 18240, 18420, 18752, 19648, 22268, 23332, 23440, 24560, 27835, 28128, 29165, 29472, 33402, 34998, 35160, 36840, 44536, 46664, 46880, 49120, 55670, 56256, 58330, 58944, 66804, 69996, 70320, 73680, 83505, 87495, 89072, 89951, 93328, 93760, 98240, 111340, 116660, 133608, 139992, 140640, 147360, 167010, 174990, 178144, 179902, 186656, 222680, 233320, 267216, 269853, 279984, 281280, 294720, 334020, 349980, 356288, 359804, 373312, 445360, 449755, 466640, 534432, 539706, 559968, 668040, 699960, 719608, 890720, 899510, 933280, 1068864, 1079412, 1119936, 1336080, 1349265, 1399920, 1439216, 1709069, 1781440, 1799020, 1866560, 2158824, 2672160, 2698530, 2799840, 2878432, 3418138, 3598040, 4317648, 5127207, 5344320, 5397060, 5599680, 5756864, 6836276, 7196080, 8545345, 8635296, 10254414, 10794120, 13672552, 14392160, 17090690, 17270592, 20508828, 21588240, 25636035, 27345104, 28784320, 34181380, 41017656, 43176480, 51272070, 54690208, 68362760, 82035312, 86352960, 102544140, 109380416, 136725520, 164070624, 205088280, 273451040, 328141248, 410176560, 546902080, 820353120, 1640706240]

約数ペア:

[(1, 1640706240), (2, 820353120), (3, 546902080), (4, 410176560), (5, 328141248), (6, 273451040), (8, 205088280), (10, 164070624), (12, 136725520), (15, 109380416), (16, 102544140), (19, 86352960), (20, 82035312), (24, 68362760), (30, 54690208), (32, 51272070), (38, 43176480), (40, 41017656), (48, 34181380), (57, 28784320), (60, 27345104), (64, 25636035), (76, 21588240), (80, 20508828), (95, 17270592), (96, 17090690), (114, 14392160), (120, 13672552), (152, 10794120), (160, 10254414), (190, 8635296), (192, 8545345), (228, 7196080), (240, 6836276), (285, 5756864), (293, 5599680), (304, 5397060), (307, 5344320), (320, 5127207), (380, 4317648), (456, 3598040), (480, 3418138), (570, 2878432), (586, 2799840), (608, 2698530), (614, 2672160), (760, 2158824), (879, 1866560), (912, 1799020), (921, 1781440), (960, 1709069), (1140, 1439216), (1172, 1399920), (1216, 1349265), (1228, 1336080), (1465, 1119936), (1520, 1079412), (1535, 1068864), (1758, 933280), (1824, 899510), (1842, 890720), (2280, 719608), (2344, 699960), (2456, 668040), (2930, 559968), (3040, 539706), (3070, 534432), (3516, 466640), (3648, 449755), (3684, 445360), (4395, 373312), (4560, 359804), (4605, 356288), (4688, 349980), (4912, 334020), (5567, 294720), (5833, 281280), (5860, 279984), (6080, 269853), (6140, 267216), (7032, 233320), (7368, 222680), (8790, 186656), (9120, 179902), (9210, 178144), (9376, 174990), (9824, 167010), (11134, 147360), (11666, 140640), (11720, 139992), (12280, 133608), (14064, 116660), (14736, 111340), (16701, 98240), (17499, 93760), (17580, 93328), (18240, 89951), (18420, 89072), (18752, 87495), (19648, 83505), (22268, 73680), (23332, 70320), (23440, 69996), (24560, 66804), (27835, 58944), (28128, 58330), (29165, 56256), (29472, 55670), (33402, 49120), (34998, 46880), (35160, 46664), (36840, 44536)]