1992392320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{431}}^1$

素因数の和:714

約数の個数: 128

約数和(自身を含む): 4949268480

約数和(自身を除く): 2956876160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 233, 248, 310, 320, 431, 466, 496, 620, 640, 862, 932, 992, 1165, 1240, 1724, 1864, 1984, 2155, 2330, 2480, 3448, 3728, 3968, 4310, 4660, 4960, 6896, 7223, 7456, 8620, 9320, 9920, 13361, 13792, 14446, 14912, 17240, 18640, 19840, 26722, 27584, 28892, 29824, 34480, 36115, 37280, 53444, 55168, 57784, 66805, 68960, 72230, 74560, 100423, 106888, 115568, 133610, 137920, 144460, 149120, 200846, 213776, 231136, 267220, 275840, 288920, 401692, 427552, 462272, 502115, 534440, 577840, 803384, 855104, 924544, 1004230, 1068880, 1155680, 1606768, 1710208, 2008460, 2137760, 2311360, 3113113, 3213536, 4016920, 4275520, 4622720, 6226226, 6427072, 8033840, 8551040, 12452452, 12854144, 15565565, 16067680, 24904904, 31131130, 32135360, 49809808, 62262260, 64270720, 99619616, 124524520, 199239232, 249049040, 398478464, 498098080, 996196160, 1992392320]

約数ペア:

[(1, 1992392320), (2, 996196160), (4, 498098080), (5, 398478464), (8, 249049040), (10, 199239232), (16, 124524520), (20, 99619616), (31, 64270720), (32, 62262260), (40, 49809808), (62, 32135360), (64, 31131130), (80, 24904904), (124, 16067680), (128, 15565565), (155, 12854144), (160, 12452452), (233, 8551040), (248, 8033840), (310, 6427072), (320, 6226226), (431, 4622720), (466, 4275520), (496, 4016920), (620, 3213536), (640, 3113113), (862, 2311360), (932, 2137760), (992, 2008460), (1165, 1710208), (1240, 1606768), (1724, 1155680), (1864, 1068880), (1984, 1004230), (2155, 924544), (2330, 855104), (2480, 803384), (3448, 577840), (3728, 534440), (3968, 502115), (4310, 462272), (4660, 427552), (4960, 401692), (6896, 288920), (7223, 275840), (7456, 267220), (8620, 231136), (9320, 213776), (9920, 200846), (13361, 149120), (13792, 144460), (14446, 137920), (14912, 133610), (17240, 115568), (18640, 106888), (19840, 100423), (26722, 74560), (27584, 72230), (28892, 68960), (29824, 66805), (34480, 57784), (36115, 55168), (37280, 53444)]