305115240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{487}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 961320960

約数和(自身を除く): 656205720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 227, 230, 276, 345, 454, 460, 487, 552, 681, 690, 908, 920, 974, 1135, 1362, 1380, 1461, 1816, 1948, 2270, 2435, 2724, 2760, 2922, 3405, 3896, 4540, 4870, 5221, 5448, 5844, 6810, 7305, 9080, 9740, 10442, 11201, 11688, 13620, 14610, 15663, 19480, 20884, 22402, 26105, 27240, 29220, 31326, 33603, 41768, 44804, 52210, 56005, 58440, 62652, 67206, 78315, 89608, 104420, 110549, 112010, 125304, 134412, 156630, 168015, 208840, 221098, 224020, 268824, 313260, 331647, 336030, 442196, 448040, 552745, 626520, 663294, 672060, 884392, 1105490, 1326588, 1344120, 1658235, 2210980, 2542627, 2653176, 3316470, 4421960, 5085254, 6632940, 7627881, 10170508, 12713135, 13265880, 15255762, 20341016, 25426270, 30511524, 38139405, 50852540, 61023048, 76278810, 101705080, 152557620, 305115240]

約数ペア:

[(1, 305115240), (2, 152557620), (3, 101705080), (4, 76278810), (5, 61023048), (6, 50852540), (8, 38139405), (10, 30511524), (12, 25426270), (15, 20341016), (20, 15255762), (23, 13265880), (24, 12713135), (30, 10170508), (40, 7627881), (46, 6632940), (60, 5085254), (69, 4421960), (92, 3316470), (115, 2653176), (120, 2542627), (138, 2210980), (184, 1658235), (227, 1344120), (230, 1326588), (276, 1105490), (345, 884392), (454, 672060), (460, 663294), (487, 626520), (552, 552745), (681, 448040), (690, 442196), (908, 336030), (920, 331647), (974, 313260), (1135, 268824), (1362, 224020), (1380, 221098), (1461, 208840), (1816, 168015), (1948, 156630), (2270, 134412), (2435, 125304), (2724, 112010), (2760, 110549), (2922, 104420), (3405, 89608), (3896, 78315), (4540, 67206), (4870, 62652), (5221, 58440), (5448, 56005), (5844, 52210), (6810, 44804), (7305, 41768), (9080, 33603), (9740, 31326), (10442, 29220), (11201, 27240), (11688, 26105), (13620, 22402), (14610, 20884), (15663, 19480)]