391479120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18749}}^1$

素因数の和:18797

約数の個数: 120

約数和(自身を含む): 1360125000

約数和(自身を除く): 968645880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 18749, 20880, 37498, 56247, 74996, 93745, 112494, 149992, 168741, 187490, 224988, 281235, 299984, 337482, 374980, 449976, 543721, 562470, 674964, 749960, 843705, 899952, 1087442, 1124940, 1349928, 1499920, 1631163, 1687410, 2174884, 2249880, 2699856, 2718605, 3262326, 3374820, 4349768, 4499760, 4893489, 5437210, 6524652, 6749640, 8155815, 8699536, 9786978, 10874420, 13049304, 13499280, 16311630, 19573956, 21748840, 24467445, 26098608, 32623260, 39147912, 43497680, 48934890, 65246520, 78295824, 97869780, 130493040, 195739560, 391479120]

約数ペア:

[(1, 391479120), (2, 195739560), (3, 130493040), (4, 97869780), (5, 78295824), (6, 65246520), (8, 48934890), (9, 43497680), (10, 39147912), (12, 32623260), (15, 26098608), (16, 24467445), (18, 21748840), (20, 19573956), (24, 16311630), (29, 13499280), (30, 13049304), (36, 10874420), (40, 9786978), (45, 8699536), (48, 8155815), (58, 6749640), (60, 6524652), (72, 5437210), (80, 4893489), (87, 4499760), (90, 4349768), (116, 3374820), (120, 3262326), (144, 2718605), (145, 2699856), (174, 2249880), (180, 2174884), (232, 1687410), (240, 1631163), (261, 1499920), (290, 1349928), (348, 1124940), (360, 1087442), (435, 899952), (464, 843705), (522, 749960), (580, 674964), (696, 562470), (720, 543721), (870, 449976), (1044, 374980), (1160, 337482), (1305, 299984), (1392, 281235), (1740, 224988), (2088, 187490), (2320, 168741), (2610, 149992), (3480, 112494), (4176, 93745), (5220, 74996), (6960, 56247), (10440, 37498), (18749, 20880)]