78780300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 241984512

約数和(自身を除く): 163204212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 43, 50, 60, 62, 75, 86, 93, 100, 124, 129, 150, 155, 172, 186, 197, 215, 258, 300, 310, 372, 394, 430, 465, 516, 591, 620, 645, 775, 788, 860, 930, 985, 1075, 1182, 1290, 1333, 1550, 1860, 1970, 2150, 2325, 2364, 2580, 2666, 2955, 3100, 3225, 3940, 3999, 4300, 4650, 4925, 5332, 5910, 6107, 6450, 6665, 7998, 8471, 9300, 9850, 11820, 12214, 12900, 13330, 14775, 15996, 16942, 18321, 19700, 19995, 24428, 25413, 26660, 29550, 30535, 33325, 33884, 36642, 39990, 42355, 50826, 59100, 61070, 66650, 73284, 79980, 84710, 91605, 99975, 101652, 122140, 127065, 133300, 152675, 169420, 183210, 199950, 211775, 254130, 262601, 305350, 366420, 399900, 423550, 458025, 508260, 525202, 610700, 635325, 787803, 847100, 916050, 1050404, 1270650, 1313005, 1575606, 1832100, 2541300, 2626010, 3151212, 3939015, 5252020, 6565025, 7878030, 13130050, 15756060, 19695075, 26260100, 39390150, 78780300]

約数ペア:

[(1, 78780300), (2, 39390150), (3, 26260100), (4, 19695075), (5, 15756060), (6, 13130050), (10, 7878030), (12, 6565025), (15, 5252020), (20, 3939015), (25, 3151212), (30, 2626010), (31, 2541300), (43, 1832100), (50, 1575606), (60, 1313005), (62, 1270650), (75, 1050404), (86, 916050), (93, 847100), (100, 787803), (124, 635325), (129, 610700), (150, 525202), (155, 508260), (172, 458025), (186, 423550), (197, 399900), (215, 366420), (258, 305350), (300, 262601), (310, 254130), (372, 211775), (394, 199950), (430, 183210), (465, 169420), (516, 152675), (591, 133300), (620, 127065), (645, 122140), (775, 101652), (788, 99975), (860, 91605), (930, 84710), (985, 79980), (1075, 73284), (1182, 66650), (1290, 61070), (1333, 59100), (1550, 50826), (1860, 42355), (1970, 39990), (2150, 36642), (2325, 33884), (2364, 33325), (2580, 30535), (2666, 29550), (2955, 26660), (3100, 25413), (3225, 24428), (3940, 19995), (3999, 19700), (4300, 18321), (4650, 16942), (4925, 15996), (5332, 14775), (5910, 13330), (6107, 12900), (6450, 12214), (6665, 11820), (7998, 9850), (8471, 9300)]