268455040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1933}}^1$

素因数の和:1990

約数の個数: 128

約数和(自身を含む): 757509120

約数和(自身を除く): 489054080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1933, 1984, 2170, 2240, 2480, 3472, 3866, 3968, 4340, 4480, 4960, 6944, 7732, 8680, 9665, 9920, 13531, 13888, 15464, 17360, 19330, 19840, 27062, 27776, 30928, 34720, 38660, 54124, 59923, 61856, 67655, 69440, 77320, 108248, 119846, 123712, 135310, 138880, 154640, 216496, 239692, 247424, 270620, 299615, 309280, 419461, 432992, 479384, 541240, 599230, 618560, 838922, 865984, 958768, 1082480, 1198460, 1237120, 1677844, 1731968, 1917536, 2097305, 2164960, 2396920, 3355688, 3835072, 4194610, 4329920, 4793840, 6711376, 7670144, 8389220, 8659840, 9587680, 13422752, 16778440, 19175360, 26845504, 33556880, 38350720, 53691008, 67113760, 134227520, 268455040]

約数ペア:

[(1, 268455040), (2, 134227520), (4, 67113760), (5, 53691008), (7, 38350720), (8, 33556880), (10, 26845504), (14, 19175360), (16, 16778440), (20, 13422752), (28, 9587680), (31, 8659840), (32, 8389220), (35, 7670144), (40, 6711376), (56, 4793840), (62, 4329920), (64, 4194610), (70, 3835072), (80, 3355688), (112, 2396920), (124, 2164960), (128, 2097305), (140, 1917536), (155, 1731968), (160, 1677844), (217, 1237120), (224, 1198460), (248, 1082480), (280, 958768), (310, 865984), (320, 838922), (434, 618560), (448, 599230), (496, 541240), (560, 479384), (620, 432992), (640, 419461), (868, 309280), (896, 299615), (992, 270620), (1085, 247424), (1120, 239692), (1240, 216496), (1736, 154640), (1933, 138880), (1984, 135310), (2170, 123712), (2240, 119846), (2480, 108248), (3472, 77320), (3866, 69440), (3968, 67655), (4340, 61856), (4480, 59923), (4960, 54124), (6944, 38660), (7732, 34720), (8680, 30928), (9665, 27776), (9920, 27062), (13531, 19840), (13888, 19330), (15464, 17360)]