254957220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{22483}}^1$

素因数の和:22511

約数の個数: 120

約数和(自身を含む): 914109504

約数和(自身を除く): 659152284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 22483, 44966, 67449, 89932, 112415, 134898, 157381, 202347, 224830, 269796, 314762, 337245, 404694, 449660, 472143, 607041, 629524, 674490, 786905, 809388, 944286, 1011735, 1214082, 1348980, 1416429, 1573810, 1821123, 1888572, 2023470, 2360715, 2428164, 2832858, 3035205, 3147620, 3642246, 4046940, 4249287, 4721430, 5665716, 6070410, 7082145, 7284492, 8498574, 9105615, 9442860, 12140820, 12747861, 14164290, 16997148, 18211230, 21246435, 25495722, 28328580, 36422460, 42492870, 50991444, 63739305, 84985740, 127478610, 254957220]

約数ペア:

[(1, 254957220), (2, 127478610), (3, 84985740), (4, 63739305), (5, 50991444), (6, 42492870), (7, 36422460), (9, 28328580), (10, 25495722), (12, 21246435), (14, 18211230), (15, 16997148), (18, 14164290), (20, 12747861), (21, 12140820), (27, 9442860), (28, 9105615), (30, 8498574), (35, 7284492), (36, 7082145), (42, 6070410), (45, 5665716), (54, 4721430), (60, 4249287), (63, 4046940), (70, 3642246), (81, 3147620), (84, 3035205), (90, 2832858), (105, 2428164), (108, 2360715), (126, 2023470), (135, 1888572), (140, 1821123), (162, 1573810), (180, 1416429), (189, 1348980), (210, 1214082), (252, 1011735), (270, 944286), (315, 809388), (324, 786905), (378, 674490), (405, 629524), (420, 607041), (540, 472143), (567, 449660), (630, 404694), (756, 337245), (810, 314762), (945, 269796), (1134, 224830), (1260, 202347), (1620, 157381), (1890, 134898), (2268, 112415), (2835, 89932), (3780, 67449), (5670, 44966), (11340, 22483)]