65721040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 195416064

約数和(自身を除く): 129695024

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 94, 110, 112, 140, 154, 176, 188, 220, 227, 235, 280, 308, 329, 376, 385, 440, 454, 470, 517, 560, 616, 658, 752, 770, 880, 908, 940, 1034, 1135, 1232, 1316, 1540, 1589, 1645, 1816, 1880, 2068, 2270, 2497, 2585, 2632, 3080, 3178, 3290, 3619, 3632, 3760, 4136, 4540, 4994, 5170, 5264, 6160, 6356, 6580, 7238, 7945, 8272, 9080, 9988, 10340, 10669, 12485, 12712, 13160, 14476, 15890, 17479, 18095, 18160, 19976, 20680, 21338, 24970, 25424, 26320, 28952, 31780, 34958, 36190, 39952, 41360, 42676, 49940, 53345, 57904, 63560, 69916, 72380, 74683, 85352, 87395, 99880, 106690, 117359, 127120, 139832, 144760, 149366, 170704, 174790, 199760, 213380, 234718, 279664, 289520, 298732, 349580, 373415, 426760, 469436, 586795, 597464, 699160, 746830, 821513, 853520, 938872, 1173590, 1194928, 1398320, 1493660, 1643026, 1877744, 2347180, 2987320, 3286052, 4107565, 4694360, 5974640, 6572104, 8215130, 9388720, 13144208, 16430260, 32860520, 65721040]

約数ペア:

[(1, 65721040), (2, 32860520), (4, 16430260), (5, 13144208), (7, 9388720), (8, 8215130), (10, 6572104), (11, 5974640), (14, 4694360), (16, 4107565), (20, 3286052), (22, 2987320), (28, 2347180), (35, 1877744), (40, 1643026), (44, 1493660), (47, 1398320), (55, 1194928), (56, 1173590), (70, 938872), (77, 853520), (80, 821513), (88, 746830), (94, 699160), (110, 597464), (112, 586795), (140, 469436), (154, 426760), (176, 373415), (188, 349580), (220, 298732), (227, 289520), (235, 279664), (280, 234718), (308, 213380), (329, 199760), (376, 174790), (385, 170704), (440, 149366), (454, 144760), (470, 139832), (517, 127120), (560, 117359), (616, 106690), (658, 99880), (752, 87395), (770, 85352), (880, 74683), (908, 72380), (940, 69916), (1034, 63560), (1135, 57904), (1232, 53345), (1316, 49940), (1540, 42676), (1589, 41360), (1645, 39952), (1816, 36190), (1880, 34958), (2068, 31780), (2270, 28952), (2497, 26320), (2585, 25424), (2632, 24970), (3080, 21338), (3178, 20680), (3290, 19976), (3619, 18160), (3632, 18095), (3760, 17479), (4136, 15890), (4540, 14476), (4994, 13160), (5170, 12712), (5264, 12485), (6160, 10669), (6356, 10340), (6580, 9988), (7238, 9080), (7945, 8272)]