489809920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1601

約数の個数: 96

約数和(自身を含む): 1213954560

約数和(自身を除く): 724144640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1543, 1984, 2048, 2480, 2560, 3086, 3968, 4960, 5120, 6172, 7715, 7936, 9920, 10240, 12344, 15430, 15872, 19840, 24688, 30860, 31744, 39680, 47833, 49376, 61720, 63488, 79360, 95666, 98752, 123440, 158720, 191332, 197504, 239165, 246880, 317440, 382664, 395008, 478330, 493760, 765328, 790016, 956660, 987520, 1530656, 1580032, 1913320, 1975040, 3061312, 3160064, 3826640, 3950080, 6122624, 7653280, 7900160, 12245248, 15306560, 15800320, 24490496, 30613120, 48980992, 61226240, 97961984, 122452480, 244904960, 489809920]

約数ペア:

[(1, 489809920), (2, 244904960), (4, 122452480), (5, 97961984), (8, 61226240), (10, 48980992), (16, 30613120), (20, 24490496), (31, 15800320), (32, 15306560), (40, 12245248), (62, 7900160), (64, 7653280), (80, 6122624), (124, 3950080), (128, 3826640), (155, 3160064), (160, 3061312), (248, 1975040), (256, 1913320), (310, 1580032), (320, 1530656), (496, 987520), (512, 956660), (620, 790016), (640, 765328), (992, 493760), (1024, 478330), (1240, 395008), (1280, 382664), (1543, 317440), (1984, 246880), (2048, 239165), (2480, 197504), (2560, 191332), (3086, 158720), (3968, 123440), (4960, 98752), (5120, 95666), (6172, 79360), (7715, 63488), (7936, 61720), (9920, 49376), (10240, 47833), (12344, 39680), (15430, 31744), (15872, 30860), (19840, 24688)]