78969120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 260874432

約数和(自身を除く): 181905312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 311, 345, 368, 460, 480, 529, 552, 622, 690, 736, 920, 933, 1058, 1104, 1244, 1380, 1555, 1587, 1840, 1866, 2116, 2208, 2488, 2645, 2760, 3110, 3174, 3680, 3732, 4232, 4665, 4976, 5290, 5520, 6220, 6348, 7153, 7464, 7935, 8464, 9330, 9952, 10580, 11040, 12440, 12696, 14306, 14928, 15870, 16928, 18660, 21160, 21459, 24880, 25392, 28612, 29856, 31740, 35765, 37320, 42320, 42918, 49760, 50784, 57224, 63480, 71530, 74640, 84640, 85836, 107295, 114448, 126960, 143060, 149280, 164519, 171672, 214590, 228896, 253920, 286120, 329038, 343344, 429180, 493557, 572240, 658076, 686688, 822595, 858360, 987114, 1144480, 1316152, 1645190, 1716720, 1974228, 2467785, 2632304, 3290380, 3433440, 3948456, 4935570, 5264608, 6580760, 7896912, 9871140, 13161520, 15793824, 19742280, 26323040, 39484560, 78969120]

約数ペア:

[(1, 78969120), (2, 39484560), (3, 26323040), (4, 19742280), (5, 15793824), (6, 13161520), (8, 9871140), (10, 7896912), (12, 6580760), (15, 5264608), (16, 4935570), (20, 3948456), (23, 3433440), (24, 3290380), (30, 2632304), (32, 2467785), (40, 1974228), (46, 1716720), (48, 1645190), (60, 1316152), (69, 1144480), (80, 987114), (92, 858360), (96, 822595), (115, 686688), (120, 658076), (138, 572240), (160, 493557), (184, 429180), (230, 343344), (240, 329038), (276, 286120), (311, 253920), (345, 228896), (368, 214590), (460, 171672), (480, 164519), (529, 149280), (552, 143060), (622, 126960), (690, 114448), (736, 107295), (920, 85836), (933, 84640), (1058, 74640), (1104, 71530), (1244, 63480), (1380, 57224), (1555, 50784), (1587, 49760), (1840, 42918), (1866, 42320), (2116, 37320), (2208, 35765), (2488, 31740), (2645, 29856), (2760, 28612), (3110, 25392), (3174, 24880), (3680, 21459), (3732, 21160), (4232, 18660), (4665, 16928), (4976, 15870), (5290, 14928), (5520, 14306), (6220, 12696), (6348, 12440), (7153, 11040), (7464, 10580), (7935, 9952), (8464, 9330)]