398666880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23071}}^1$

素因数の和:23099

約数の個数: 128

約数和(自身を含む): 1412006400

約数和(自身を除く): 1013339520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 23071, 46142, 69213, 92284, 115355, 138426, 184568, 207639, 230710, 276852, 346065, 369136, 415278, 461420, 553704, 622917, 692130, 738272, 830556, 922840, 1038195, 1107408, 1245834, 1384260, 1476544, 1661112, 1845680, 2076390, 2214816, 2491668, 2768520, 2953088, 3114585, 3322224, 3691360, 4152780, 4429632, 4983336, 5537040, 6229170, 6644448, 7382720, 8305560, 8859264, 9966672, 11074080, 12458340, 13288896, 14765440, 16611120, 19933344, 22148160, 24916680, 26577792, 33222240, 39866688, 44296320, 49833360, 66444480, 79733376, 99666720, 132888960, 199333440, 398666880]

約数ペア:

[(1, 398666880), (2, 199333440), (3, 132888960), (4, 99666720), (5, 79733376), (6, 66444480), (8, 49833360), (9, 44296320), (10, 39866688), (12, 33222240), (15, 26577792), (16, 24916680), (18, 22148160), (20, 19933344), (24, 16611120), (27, 14765440), (30, 13288896), (32, 12458340), (36, 11074080), (40, 9966672), (45, 8859264), (48, 8305560), (54, 7382720), (60, 6644448), (64, 6229170), (72, 5537040), (80, 4983336), (90, 4429632), (96, 4152780), (108, 3691360), (120, 3322224), (128, 3114585), (135, 2953088), (144, 2768520), (160, 2491668), (180, 2214816), (192, 2076390), (216, 1845680), (240, 1661112), (270, 1476544), (288, 1384260), (320, 1245834), (360, 1107408), (384, 1038195), (432, 922840), (480, 830556), (540, 738272), (576, 692130), (640, 622917), (720, 553704), (864, 461420), (960, 415278), (1080, 369136), (1152, 346065), (1440, 276852), (1728, 230710), (1920, 207639), (2160, 184568), (2880, 138426), (3456, 115355), (4320, 92284), (5760, 69213), (8640, 46142), (17280, 23071)]