171020800

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 120

約数和(自身を含む): 438400512

約数和(自身を除く): 267379712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 431, 496, 512, 620, 640, 775, 800, 862, 992, 1240, 1280, 1550, 1600, 1724, 1984, 2155, 2480, 2560, 3100, 3200, 3448, 3968, 4310, 4960, 6200, 6400, 6896, 7936, 8620, 9920, 10775, 12400, 12800, 13361, 13792, 15872, 17240, 19840, 21550, 24800, 26722, 27584, 34480, 39680, 43100, 49600, 53444, 55168, 66805, 68960, 79360, 86200, 99200, 106888, 110336, 133610, 137920, 172400, 198400, 213776, 220672, 267220, 275840, 334025, 344800, 396800, 427552, 534440, 551680, 668050, 689600, 855104, 1068880, 1103360, 1336100, 1379200, 1710208, 2137760, 2672200, 2758400, 3420416, 4275520, 5344400, 5516800, 6840832, 8551040, 10688800, 17102080, 21377600, 34204160, 42755200, 85510400, 171020800]

約数ペア:

[(1, 171020800), (2, 85510400), (4, 42755200), (5, 34204160), (8, 21377600), (10, 17102080), (16, 10688800), (20, 8551040), (25, 6840832), (31, 5516800), (32, 5344400), (40, 4275520), (50, 3420416), (62, 2758400), (64, 2672200), (80, 2137760), (100, 1710208), (124, 1379200), (128, 1336100), (155, 1103360), (160, 1068880), (200, 855104), (248, 689600), (256, 668050), (310, 551680), (320, 534440), (400, 427552), (431, 396800), (496, 344800), (512, 334025), (620, 275840), (640, 267220), (775, 220672), (800, 213776), (862, 198400), (992, 172400), (1240, 137920), (1280, 133610), (1550, 110336), (1600, 106888), (1724, 99200), (1984, 86200), (2155, 79360), (2480, 68960), (2560, 66805), (3100, 55168), (3200, 53444), (3448, 49600), (3968, 43100), (4310, 39680), (4960, 34480), (6200, 27584), (6400, 26722), (6896, 24800), (7936, 21550), (8620, 19840), (9920, 17240), (10775, 15872), (12400, 13792), (12800, 13361)]