256476960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10477}}^1$

素因数の和:10515

約数の個数: 144

約数和(自身を含む): 926800056

約数和(自身を除く): 670323096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 4080, 4896, 6120, 8160, 10477, 12240, 20954, 24480, 31431, 41908, 52385, 62862, 83816, 94293, 104770, 125724, 157155, 167632, 178109, 188586, 209540, 251448, 314310, 335264, 356218, 377172, 419080, 471465, 502896, 534327, 628620, 712436, 754344, 838160, 890545, 942930, 1005792, 1068654, 1257240, 1424872, 1508688, 1602981, 1676320, 1781090, 1885860, 2137308, 2514480, 2671635, 2849744, 3017376, 3205962, 3562180, 3771720, 4274616, 5028960, 5343270, 5699488, 6411924, 7124360, 7543440, 8014905, 8549232, 10686540, 12823848, 14248720, 15086880, 16029810, 17098464, 21373080, 25647696, 28497440, 32059620, 42746160, 51295392, 64119240, 85492320, 128238480, 256476960]

約数ペア:

[(1, 256476960), (2, 128238480), (3, 85492320), (4, 64119240), (5, 51295392), (6, 42746160), (8, 32059620), (9, 28497440), (10, 25647696), (12, 21373080), (15, 17098464), (16, 16029810), (17, 15086880), (18, 14248720), (20, 12823848), (24, 10686540), (30, 8549232), (32, 8014905), (34, 7543440), (36, 7124360), (40, 6411924), (45, 5699488), (48, 5343270), (51, 5028960), (60, 4274616), (68, 3771720), (72, 3562180), (80, 3205962), (85, 3017376), (90, 2849744), (96, 2671635), (102, 2514480), (120, 2137308), (136, 1885860), (144, 1781090), (153, 1676320), (160, 1602981), (170, 1508688), (180, 1424872), (204, 1257240), (240, 1068654), (255, 1005792), (272, 942930), (288, 890545), (306, 838160), (340, 754344), (360, 712436), (408, 628620), (480, 534327), (510, 502896), (544, 471465), (612, 419080), (680, 377172), (720, 356218), (765, 335264), (816, 314310), (1020, 251448), (1224, 209540), (1360, 188586), (1440, 178109), (1530, 167632), (1632, 157155), (2040, 125724), (2448, 104770), (2720, 94293), (3060, 83816), (4080, 62862), (4896, 52385), (6120, 41908), (8160, 31431), (10477, 24480), (12240, 20954)]