87661560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1421

約数の個数: 128

約数和(自身を含む): 304588800

約数和(自身を除く): 216927240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 632, 790, 840, 948, 1106, 1185, 1321, 1580, 1659, 1896, 2212, 2370, 2642, 2765, 3160, 3318, 3963, 4424, 4740, 5284, 5530, 6605, 6636, 7926, 8295, 9247, 9480, 10568, 11060, 13210, 13272, 15852, 16590, 18494, 19815, 22120, 26420, 27741, 31704, 33180, 36988, 39630, 46235, 52840, 55482, 66360, 73976, 79260, 92470, 104359, 110964, 138705, 158520, 184940, 208718, 221928, 277410, 313077, 369880, 417436, 521795, 554820, 626154, 730513, 834872, 1043590, 1109640, 1252308, 1461026, 1565385, 2087180, 2191539, 2504616, 2922052, 3130770, 3652565, 4174360, 4383078, 5844104, 6261540, 7305130, 8766156, 10957695, 12523080, 14610260, 17532312, 21915390, 29220520, 43830780, 87661560]

約数ペア:

[(1, 87661560), (2, 43830780), (3, 29220520), (4, 21915390), (5, 17532312), (6, 14610260), (7, 12523080), (8, 10957695), (10, 8766156), (12, 7305130), (14, 6261540), (15, 5844104), (20, 4383078), (21, 4174360), (24, 3652565), (28, 3130770), (30, 2922052), (35, 2504616), (40, 2191539), (42, 2087180), (56, 1565385), (60, 1461026), (70, 1252308), (79, 1109640), (84, 1043590), (105, 834872), (120, 730513), (140, 626154), (158, 554820), (168, 521795), (210, 417436), (237, 369880), (280, 313077), (316, 277410), (395, 221928), (420, 208718), (474, 184940), (553, 158520), (632, 138705), (790, 110964), (840, 104359), (948, 92470), (1106, 79260), (1185, 73976), (1321, 66360), (1580, 55482), (1659, 52840), (1896, 46235), (2212, 39630), (2370, 36988), (2642, 33180), (2765, 31704), (3160, 27741), (3318, 26420), (3963, 22120), (4424, 19815), (4740, 18494), (5284, 16590), (5530, 15852), (6605, 13272), (6636, 13210), (7926, 11060), (8295, 10568), (9247, 9480)]