248476160

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 120

約数和(自身を含む): 621693468

約数和(自身を除く): 373217308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 128, 155, 160, 202, 248, 256, 310, 320, 404, 496, 505, 512, 620, 640, 808, 961, 992, 1010, 1240, 1280, 1616, 1922, 1984, 2020, 2480, 2560, 3131, 3232, 3844, 3968, 4040, 4805, 4960, 6262, 6464, 7688, 7936, 8080, 9610, 9920, 12524, 12928, 15376, 15655, 15872, 16160, 19220, 19840, 25048, 25856, 30752, 31310, 32320, 38440, 39680, 50096, 51712, 61504, 62620, 64640, 76880, 79360, 97061, 100192, 123008, 125240, 129280, 153760, 194122, 200384, 246016, 250480, 258560, 307520, 388244, 400768, 485305, 492032, 500960, 615040, 776488, 801536, 970610, 1001920, 1230080, 1552976, 1603072, 1941220, 2003840, 2460160, 3105952, 3882440, 4007680, 6211904, 7764880, 8015360, 12423808, 15529760, 24847616, 31059520, 49695232, 62119040, 124238080, 248476160]

約数ペア:

[(1, 248476160), (2, 124238080), (4, 62119040), (5, 49695232), (8, 31059520), (10, 24847616), (16, 15529760), (20, 12423808), (31, 8015360), (32, 7764880), (40, 6211904), (62, 4007680), (64, 3882440), (80, 3105952), (101, 2460160), (124, 2003840), (128, 1941220), (155, 1603072), (160, 1552976), (202, 1230080), (248, 1001920), (256, 970610), (310, 801536), (320, 776488), (404, 615040), (496, 500960), (505, 492032), (512, 485305), (620, 400768), (640, 388244), (808, 307520), (961, 258560), (992, 250480), (1010, 246016), (1240, 200384), (1280, 194122), (1616, 153760), (1922, 129280), (1984, 125240), (2020, 123008), (2480, 100192), (2560, 97061), (3131, 79360), (3232, 76880), (3844, 64640), (3968, 62620), (4040, 61504), (4805, 51712), (4960, 50096), (6262, 39680), (6464, 38440), (7688, 32320), (7936, 31310), (8080, 30752), (9610, 25856), (9920, 25048), (12524, 19840), (12928, 19220), (15376, 16160), (15655, 15872)]