1791720

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{79}}^1$

素因数の和:109

約数の個数: 160

約数和(自身を含む): 6969600

約数和(自身を除く): 5177880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 79, 81, 84, 90, 105, 108, 120, 126, 135, 140, 158, 162, 168, 180, 189, 210, 216, 237, 252, 270, 280, 315, 316, 324, 360, 378, 395, 405, 420, 474, 504, 540, 553, 567, 630, 632, 648, 711, 756, 790, 810, 840, 945, 948, 1080, 1106, 1134, 1185, 1260, 1422, 1512, 1580, 1620, 1659, 1890, 1896, 2133, 2212, 2268, 2370, 2520, 2765, 2835, 2844, 3160, 3240, 3318, 3555, 3780, 4266, 4424, 4536, 4740, 4977, 5530, 5670, 5688, 6399, 6636, 7110, 7560, 8295, 8532, 9480, 9954, 10665, 11060, 11340, 12798, 13272, 14220, 14931, 16590, 17064, 19908, 21330, 22120, 22680, 24885, 25596, 28440, 29862, 31995, 33180, 39816, 42660, 44793, 49770, 51192, 59724, 63990, 66360, 74655, 85320, 89586, 99540, 119448, 127980, 149310, 179172, 199080, 223965, 255960, 298620, 358344, 447930, 597240, 895860, 1791720]

約数ペア:

[(1, 1791720), (2, 895860), (3, 597240), (4, 447930), (5, 358344), (6, 298620), (7, 255960), (8, 223965), (9, 199080), (10, 179172), (12, 149310), (14, 127980), (15, 119448), (18, 99540), (20, 89586), (21, 85320), (24, 74655), (27, 66360), (28, 63990), (30, 59724), (35, 51192), (36, 49770), (40, 44793), (42, 42660), (45, 39816), (54, 33180), (56, 31995), (60, 29862), (63, 28440), (70, 25596), (72, 24885), (79, 22680), (81, 22120), (84, 21330), (90, 19908), (105, 17064), (108, 16590), (120, 14931), (126, 14220), (135, 13272), (140, 12798), (158, 11340), (162, 11060), (168, 10665), (180, 9954), (189, 9480), (210, 8532), (216, 8295), (237, 7560), (252, 7110), (270, 6636), (280, 6399), (315, 5688), (316, 5670), (324, 5530), (360, 4977), (378, 4740), (395, 4536), (405, 4424), (420, 4266), (474, 3780), (504, 3555), (540, 3318), (553, 3240), (567, 3160), (630, 2844), (632, 2835), (648, 2765), (711, 2520), (756, 2370), (790, 2268), (810, 2212), (840, 2133), (945, 1896), (948, 1890), (1080, 1659), (1106, 1620), (1134, 1580), (1185, 1512), (1260, 1422)]