215721840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1429}}^1$

素因数の和:1499

約数の個数: 160

約数和(自身を含む): 727721280

約数和(自身を除く): 511999440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 37, 40, 48, 51, 60, 68, 74, 80, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 240, 255, 272, 296, 340, 370, 408, 444, 510, 555, 592, 629, 680, 740, 816, 888, 1020, 1110, 1258, 1360, 1429, 1480, 1776, 1887, 2040, 2220, 2516, 2858, 2960, 3145, 3774, 4080, 4287, 4440, 5032, 5716, 6290, 7145, 7548, 8574, 8880, 9435, 10064, 11432, 12580, 14290, 15096, 17148, 18870, 21435, 22864, 24293, 25160, 28580, 30192, 34296, 37740, 42870, 48586, 50320, 52873, 57160, 68592, 72879, 75480, 85740, 97172, 105746, 114320, 121465, 145758, 150960, 158619, 171480, 194344, 211492, 242930, 264365, 291516, 317238, 342960, 364395, 388688, 422984, 485860, 528730, 583032, 634476, 728790, 793095, 845968, 898841, 971720, 1057460, 1166064, 1268952, 1457580, 1586190, 1797682, 1943440, 2114920, 2537904, 2696523, 2915160, 3172380, 3595364, 4229840, 4494205, 5393046, 5830320, 6344760, 7190728, 8988410, 10786092, 12689520, 13482615, 14381456, 17976820, 21572184, 26965230, 35953640, 43144368, 53930460, 71907280, 107860920, 215721840]

約数ペア:

[(1, 215721840), (2, 107860920), (3, 71907280), (4, 53930460), (5, 43144368), (6, 35953640), (8, 26965230), (10, 21572184), (12, 17976820), (15, 14381456), (16, 13482615), (17, 12689520), (20, 10786092), (24, 8988410), (30, 7190728), (34, 6344760), (37, 5830320), (40, 5393046), (48, 4494205), (51, 4229840), (60, 3595364), (68, 3172380), (74, 2915160), (80, 2696523), (85, 2537904), (102, 2114920), (111, 1943440), (120, 1797682), (136, 1586190), (148, 1457580), (170, 1268952), (185, 1166064), (204, 1057460), (222, 971720), (240, 898841), (255, 845968), (272, 793095), (296, 728790), (340, 634476), (370, 583032), (408, 528730), (444, 485860), (510, 422984), (555, 388688), (592, 364395), (629, 342960), (680, 317238), (740, 291516), (816, 264365), (888, 242930), (1020, 211492), (1110, 194344), (1258, 171480), (1360, 158619), (1429, 150960), (1480, 145758), (1776, 121465), (1887, 114320), (2040, 105746), (2220, 97172), (2516, 85740), (2858, 75480), (2960, 72879), (3145, 68592), (3774, 57160), (4080, 52873), (4287, 50320), (4440, 48586), (5032, 42870), (5716, 37740), (6290, 34296), (7145, 30192), (7548, 28580), (8574, 25160), (8880, 24293), (9435, 22864), (10064, 21435), (11432, 18870), (12580, 17148), (14290, 15096)]