72800420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1221

約数の個数: 96

約数和(自身を含む): 195422976

約数和(自身を除く): 122622556

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 140, 154, 164, 205, 220, 287, 308, 385, 410, 451, 574, 770, 820, 902, 1148, 1153, 1435, 1540, 1804, 2255, 2306, 2870, 3157, 4510, 4612, 5740, 5765, 6314, 8071, 9020, 11530, 12628, 12683, 15785, 16142, 23060, 25366, 31570, 32284, 40355, 47273, 50732, 63140, 63415, 80710, 88781, 94546, 126830, 161420, 177562, 189092, 236365, 253660, 330911, 355124, 443905, 472730, 520003, 661822, 887810, 945460, 1040006, 1323644, 1654555, 1775620, 2080012, 2600015, 3309110, 3640021, 5200030, 6618220, 7280042, 10400060, 14560084, 18200105, 36400210, 72800420]

約数ペア:

[(1, 72800420), (2, 36400210), (4, 18200105), (5, 14560084), (7, 10400060), (10, 7280042), (11, 6618220), (14, 5200030), (20, 3640021), (22, 3309110), (28, 2600015), (35, 2080012), (41, 1775620), (44, 1654555), (55, 1323644), (70, 1040006), (77, 945460), (82, 887810), (110, 661822), (140, 520003), (154, 472730), (164, 443905), (205, 355124), (220, 330911), (287, 253660), (308, 236365), (385, 189092), (410, 177562), (451, 161420), (574, 126830), (770, 94546), (820, 88781), (902, 80710), (1148, 63415), (1153, 63140), (1435, 50732), (1540, 47273), (1804, 40355), (2255, 32284), (2306, 31570), (2870, 25366), (3157, 23060), (4510, 16142), (4612, 15785), (5740, 12683), (5765, 12628), (6314, 11530), (8071, 9020)]