154885640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2503}}^1$

素因数の和:2551

約数の個数: 128

約数和(自身を含む): 454325760

約数和(自身を除く): 299440120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 2503, 3094, 3640, 4420, 4760, 5006, 6188, 7735, 8840, 10012, 12376, 12515, 15470, 17521, 20024, 25030, 30940, 32539, 35042, 42551, 50060, 61880, 65078, 70084, 85102, 87605, 100120, 130156, 140168, 162695, 170204, 175210, 212755, 227773, 260312, 297857, 325390, 340408, 350420, 425510, 455546, 553163, 595714, 650780, 700840, 851020, 911092, 1106326, 1138865, 1191428, 1301560, 1489285, 1702040, 1822184, 2212652, 2277730, 2382856, 2765815, 2978570, 3872141, 4425304, 4555460, 5531630, 5957140, 7744282, 9110920, 11063260, 11914280, 15488564, 19360705, 22126520, 30977128, 38721410, 77442820, 154885640]

約数ペア:

[(1, 154885640), (2, 77442820), (4, 38721410), (5, 30977128), (7, 22126520), (8, 19360705), (10, 15488564), (13, 11914280), (14, 11063260), (17, 9110920), (20, 7744282), (26, 5957140), (28, 5531630), (34, 4555460), (35, 4425304), (40, 3872141), (52, 2978570), (56, 2765815), (65, 2382856), (68, 2277730), (70, 2212652), (85, 1822184), (91, 1702040), (104, 1489285), (119, 1301560), (130, 1191428), (136, 1138865), (140, 1106326), (170, 911092), (182, 851020), (221, 700840), (238, 650780), (260, 595714), (280, 553163), (340, 455546), (364, 425510), (442, 350420), (455, 340408), (476, 325390), (520, 297857), (595, 260312), (680, 227773), (728, 212755), (884, 175210), (910, 170204), (952, 162695), (1105, 140168), (1190, 130156), (1547, 100120), (1768, 87605), (1820, 85102), (2210, 70084), (2380, 65078), (2503, 61880), (3094, 50060), (3640, 42551), (4420, 35042), (4760, 32539), (5006, 30940), (6188, 25030), (7735, 20024), (8840, 17521), (10012, 15470), (12376, 12515)]