820830660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{25667}}^1$

素因数の和:25733

約数の個数: 96

約数和(自身を含む): 2535587712

約数和(自身を除く): 1714757052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 615, 780, 820, 1066, 1230, 1599, 2132, 2460, 2665, 3198, 5330, 6396, 7995, 10660, 15990, 25667, 31980, 51334, 77001, 102668, 128335, 154002, 256670, 308004, 333671, 385005, 513340, 667342, 770010, 1001013, 1052347, 1334684, 1540020, 1668355, 2002026, 2104694, 3157041, 3336710, 4004052, 4209388, 5005065, 5261735, 6314082, 6673420, 10010130, 10523470, 12628164, 13680511, 15785205, 20020260, 21046940, 27361022, 31570410, 41041533, 54722044, 63140820, 68402555, 82083066, 136805110, 164166132, 205207665, 273610220, 410415330, 820830660]

約数ペア:

[(1, 820830660), (2, 410415330), (3, 273610220), (4, 205207665), (5, 164166132), (6, 136805110), (10, 82083066), (12, 68402555), (13, 63140820), (15, 54722044), (20, 41041533), (26, 31570410), (30, 27361022), (39, 21046940), (41, 20020260), (52, 15785205), (60, 13680511), (65, 12628164), (78, 10523470), (82, 10010130), (123, 6673420), (130, 6314082), (156, 5261735), (164, 5005065), (195, 4209388), (205, 4004052), (246, 3336710), (260, 3157041), (390, 2104694), (410, 2002026), (492, 1668355), (533, 1540020), (615, 1334684), (780, 1052347), (820, 1001013), (1066, 770010), (1230, 667342), (1599, 513340), (2132, 385005), (2460, 333671), (2665, 308004), (3198, 256670), (5330, 154002), (6396, 128335), (7995, 102668), (10660, 77001), (15990, 51334), (25667, 31980)]