256195440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6977}}^1$

素因数の和:7016

約数の個数: 160

約数和(自身を含む): 934493760

約数和(自身を除く): 678298320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 2040, 2160, 2295, 2448, 3060, 3672, 4080, 4590, 6120, 6977, 7344, 9180, 12240, 13954, 18360, 20931, 27908, 34885, 36720, 41862, 55816, 62793, 69770, 83724, 104655, 111632, 118609, 125586, 139540, 167448, 188379, 209310, 237218, 251172, 279080, 313965, 334896, 355827, 376758, 418620, 474436, 502344, 558160, 593045, 627930, 711654, 753516, 837240, 941895, 948872, 1004688, 1067481, 1186090, 1255860, 1423308, 1507032, 1674480, 1779135, 1883790, 1897744, 2134962, 2372180, 2511720, 2846616, 3014064, 3202443, 3558270, 3767580, 4269924, 4744360, 5023440, 5337405, 5693232, 6404886, 7116540, 7535160, 8539848, 9488720, 10674810, 12809772, 14233080, 15070320, 16012215, 17079696, 21349620, 25619544, 28466160, 32024430, 42699240, 51239088, 64048860, 85398480, 128097720, 256195440]

約数ペア:

[(1, 256195440), (2, 128097720), (3, 85398480), (4, 64048860), (5, 51239088), (6, 42699240), (8, 32024430), (9, 28466160), (10, 25619544), (12, 21349620), (15, 17079696), (16, 16012215), (17, 15070320), (18, 14233080), (20, 12809772), (24, 10674810), (27, 9488720), (30, 8539848), (34, 7535160), (36, 7116540), (40, 6404886), (45, 5693232), (48, 5337405), (51, 5023440), (54, 4744360), (60, 4269924), (68, 3767580), (72, 3558270), (80, 3202443), (85, 3014064), (90, 2846616), (102, 2511720), (108, 2372180), (120, 2134962), (135, 1897744), (136, 1883790), (144, 1779135), (153, 1674480), (170, 1507032), (180, 1423308), (204, 1255860), (216, 1186090), (240, 1067481), (255, 1004688), (270, 948872), (272, 941895), (306, 837240), (340, 753516), (360, 711654), (408, 627930), (432, 593045), (459, 558160), (510, 502344), (540, 474436), (612, 418620), (680, 376758), (720, 355827), (765, 334896), (816, 313965), (918, 279080), (1020, 251172), (1080, 237218), (1224, 209310), (1360, 188379), (1530, 167448), (1836, 139540), (2040, 125586), (2160, 118609), (2295, 111632), (2448, 104655), (3060, 83724), (3672, 69770), (4080, 62793), (4590, 55816), (6120, 41862), (6977, 36720), (7344, 34885), (9180, 27908), (12240, 20931), (13954, 18360)]