172885760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4357}}^1$

素因数の和:4409

約数の個数: 72

約数和(自身を含む): 427572096

約数和(自身を除く): 254686336

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, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4357, 4960, 7936, 8714, 9920, 17428, 19840, 21785, 34856, 39680, 43570, 69712, 87140, 135067, 139424, 174280, 270134, 278848, 348560, 540268, 557696, 675335, 697120, 1080536, 1115392, 1350670, 1394240, 2161072, 2701340, 2788480, 4322144, 5402680, 5576960, 8644288, 10805360, 17288576, 21610720, 34577152, 43221440, 86442880, 172885760]

約数ペア:

[(1, 172885760), (2, 86442880), (4, 43221440), (5, 34577152), (8, 21610720), (10, 17288576), (16, 10805360), (20, 8644288), (31, 5576960), (32, 5402680), (40, 4322144), (62, 2788480), (64, 2701340), (80, 2161072), (124, 1394240), (128, 1350670), (155, 1115392), (160, 1080536), (248, 697120), (256, 675335), (310, 557696), (320, 540268), (496, 348560), (620, 278848), (640, 270134), (992, 174280), (1240, 139424), (1280, 135067), (1984, 87140), (2480, 69712), (3968, 43570), (4357, 39680), (4960, 34856), (7936, 21785), (8714, 19840), (9920, 17428)]