72939520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 185749200

約数和(自身を除く): 112809680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 419, 512, 544, 640, 680, 838, 1024, 1088, 1280, 1360, 1676, 2048, 2095, 2176, 2560, 2720, 3352, 4190, 4352, 5120, 5440, 6704, 7123, 8380, 8704, 10240, 10880, 13408, 14246, 16760, 17408, 21760, 26816, 28492, 33520, 34816, 35615, 43520, 53632, 56984, 67040, 71230, 87040, 107264, 113968, 134080, 142460, 174080, 214528, 227936, 268160, 284920, 429056, 455872, 536320, 569840, 858112, 911744, 1072640, 1139680, 1823488, 2145280, 2279360, 3646976, 4290560, 4558720, 7293952, 9117440, 14587904, 18234880, 36469760, 72939520]

約数ペア:

[(1, 72939520), (2, 36469760), (4, 18234880), (5, 14587904), (8, 9117440), (10, 7293952), (16, 4558720), (17, 4290560), (20, 3646976), (32, 2279360), (34, 2145280), (40, 1823488), (64, 1139680), (68, 1072640), (80, 911744), (85, 858112), (128, 569840), (136, 536320), (160, 455872), (170, 429056), (256, 284920), (272, 268160), (320, 227936), (340, 214528), (419, 174080), (512, 142460), (544, 134080), (640, 113968), (680, 107264), (838, 87040), (1024, 71230), (1088, 67040), (1280, 56984), (1360, 53632), (1676, 43520), (2048, 35615), (2095, 34816), (2176, 33520), (2560, 28492), (2720, 26816), (3352, 21760), (4190, 17408), (4352, 16760), (5120, 14246), (5440, 13408), (6704, 10880), (7123, 10240), (8380, 8704)]