161753640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2143}}^1$

素因数の和:2211

約数の個数: 128

約数和(自身を含む): 527938560

約数和(自身を除く): 366184920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 255, 296, 340, 370, 408, 444, 510, 555, 629, 680, 740, 888, 1020, 1110, 1258, 1480, 1887, 2040, 2143, 2220, 2516, 3145, 3774, 4286, 4440, 5032, 6290, 6429, 7548, 8572, 9435, 10715, 12580, 12858, 15096, 17144, 18870, 21430, 25160, 25716, 32145, 36431, 37740, 42860, 51432, 64290, 72862, 75480, 79291, 85720, 109293, 128580, 145724, 158582, 182155, 218586, 237873, 257160, 291448, 317164, 364310, 396455, 437172, 475746, 546465, 634328, 728620, 792910, 874344, 951492, 1092930, 1189365, 1347947, 1457240, 1585820, 1902984, 2185860, 2378730, 2695894, 3171640, 4043841, 4371720, 4757460, 5391788, 6739735, 8087682, 9514920, 10783576, 13479470, 16175364, 20219205, 26958940, 32350728, 40438410, 53917880, 80876820, 161753640]

約数ペア:

[(1, 161753640), (2, 80876820), (3, 53917880), (4, 40438410), (5, 32350728), (6, 26958940), (8, 20219205), (10, 16175364), (12, 13479470), (15, 10783576), (17, 9514920), (20, 8087682), (24, 6739735), (30, 5391788), (34, 4757460), (37, 4371720), (40, 4043841), (51, 3171640), (60, 2695894), (68, 2378730), (74, 2185860), (85, 1902984), (102, 1585820), (111, 1457240), (120, 1347947), (136, 1189365), (148, 1092930), (170, 951492), (185, 874344), (204, 792910), (222, 728620), (255, 634328), (296, 546465), (340, 475746), (370, 437172), (408, 396455), (444, 364310), (510, 317164), (555, 291448), (629, 257160), (680, 237873), (740, 218586), (888, 182155), (1020, 158582), (1110, 145724), (1258, 128580), (1480, 109293), (1887, 85720), (2040, 79291), (2143, 75480), (2220, 72862), (2516, 64290), (3145, 51432), (3774, 42860), (4286, 37740), (4440, 36431), (5032, 32145), (6290, 25716), (6429, 25160), (7548, 21430), (8572, 18870), (9435, 17144), (10715, 15096), (12580, 12858)]