77617980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 192

約数和(自身を含む): 268531200

約数和(自身を除く): 190913220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 73, 90, 99, 108, 110, 132, 135, 146, 165, 179, 180, 198, 219, 220, 270, 292, 297, 330, 358, 365, 396, 438, 495, 537, 540, 594, 657, 660, 716, 730, 803, 876, 895, 990, 1074, 1095, 1188, 1314, 1460, 1485, 1606, 1611, 1790, 1969, 1971, 1980, 2148, 2190, 2409, 2628, 2685, 2970, 3212, 3222, 3285, 3580, 3938, 3942, 4015, 4380, 4818, 4833, 5370, 5907, 5940, 6444, 6570, 7227, 7876, 7884, 8030, 8055, 9636, 9666, 9845, 9855, 10740, 11814, 12045, 13067, 13140, 14454, 16060, 16110, 17721, 19332, 19690, 19710, 21681, 23628, 24090, 24165, 26134, 28908, 29535, 32220, 35442, 36135, 39201, 39380, 39420, 43362, 48180, 48330, 52268, 53163, 59070, 65335, 70884, 72270, 78402, 86724, 88605, 96660, 106326, 108405, 117603, 118140, 130670, 143737, 144540, 156804, 177210, 196005, 212652, 216810, 235206, 261340, 265815, 287474, 352809, 354420, 392010, 431211, 433620, 470412, 531630, 574948, 588015, 705618, 718685, 784020, 862422, 1063260, 1176030, 1293633, 1411236, 1437370, 1724844, 1764045, 2156055, 2352060, 2587266, 2874740, 3528090, 3880899, 4312110, 5174532, 6468165, 7056180, 7761798, 8624220, 12936330, 15523596, 19404495, 25872660, 38808990, 77617980]

約数ペア:

[(1, 77617980), (2, 38808990), (3, 25872660), (4, 19404495), (5, 15523596), (6, 12936330), (9, 8624220), (10, 7761798), (11, 7056180), (12, 6468165), (15, 5174532), (18, 4312110), (20, 3880899), (22, 3528090), (27, 2874740), (30, 2587266), (33, 2352060), (36, 2156055), (44, 1764045), (45, 1724844), (54, 1437370), (55, 1411236), (60, 1293633), (66, 1176030), (73, 1063260), (90, 862422), (99, 784020), (108, 718685), (110, 705618), (132, 588015), (135, 574948), (146, 531630), (165, 470412), (179, 433620), (180, 431211), (198, 392010), (219, 354420), (220, 352809), (270, 287474), (292, 265815), (297, 261340), (330, 235206), (358, 216810), (365, 212652), (396, 196005), (438, 177210), (495, 156804), (537, 144540), (540, 143737), (594, 130670), (657, 118140), (660, 117603), (716, 108405), (730, 106326), (803, 96660), (876, 88605), (895, 86724), (990, 78402), (1074, 72270), (1095, 70884), (1188, 65335), (1314, 59070), (1460, 53163), (1485, 52268), (1606, 48330), (1611, 48180), (1790, 43362), (1969, 39420), (1971, 39380), (1980, 39201), (2148, 36135), (2190, 35442), (2409, 32220), (2628, 29535), (2685, 28908), (2970, 26134), (3212, 24165), (3222, 24090), (3285, 23628), (3580, 21681), (3938, 19710), (3942, 19690), (4015, 19332), (4380, 17721), (4818, 16110), (4833, 16060), (5370, 14454), (5907, 13140), (5940, 13067), (6444, 12045), (6570, 11814), (7227, 10740), (7876, 9855), (7884, 9845), (8030, 9666), (8055, 9636)]