31011120

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{293}}^1$

素因数の和:329

約数の個数: 240

約数和(自身を含む): 124679520

約数和(自身を除く): 93668400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 293, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 586, 588, 630, 720, 735, 756, 784, 840, 879, 882, 945, 980, 1008, 1080, 1172, 1176, 1260, 1323, 1465, 1470, 1512, 1680, 1758, 1764, 1890, 1960, 2051, 2160, 2205, 2344, 2352, 2520, 2637, 2646, 2930, 2940, 3024, 3516, 3528, 3780, 3920, 4102, 4395, 4410, 4688, 5040, 5274, 5292, 5860, 5880, 6153, 6615, 7032, 7056, 7560, 7911, 8204, 8790, 8820, 10255, 10548, 10584, 11720, 11760, 12306, 13185, 13230, 14064, 14357, 15120, 15822, 16408, 17580, 17640, 18459, 20510, 21096, 21168, 23440, 24612, 26370, 26460, 28714, 30765, 31644, 32816, 35160, 35280, 36918, 39555, 41020, 42192, 43071, 49224, 52740, 52920, 55377, 57428, 61530, 63288, 70320, 71785, 73836, 79110, 82040, 86142, 92295, 98448, 105480, 105840, 110754, 114856, 123060, 126576, 129213, 143570, 147672, 158220, 164080, 172284, 184590, 210960, 215355, 221508, 229712, 246120, 258426, 276885, 287140, 295344, 316440, 344568, 369180, 387639, 430710, 443016, 492240, 516852, 553770, 574280, 632880, 646065, 689136, 738360, 775278, 861420, 886032, 1033704, 1107540, 1148560, 1292130, 1476720, 1550556, 1722840, 1938195, 2067408, 2215080, 2584260, 3101112, 3445680, 3876390, 4430160, 5168520, 6202224, 7752780, 10337040, 15505560, 31011120]

約数ペア:

[(1, 31011120), (2, 15505560), (3, 10337040), (4, 7752780), (5, 6202224), (6, 5168520), (7, 4430160), (8, 3876390), (9, 3445680), (10, 3101112), (12, 2584260), (14, 2215080), (15, 2067408), (16, 1938195), (18, 1722840), (20, 1550556), (21, 1476720), (24, 1292130), (27, 1148560), (28, 1107540), (30, 1033704), (35, 886032), (36, 861420), (40, 775278), (42, 738360), (45, 689136), (48, 646065), (49, 632880), (54, 574280), (56, 553770), (60, 516852), (63, 492240), (70, 443016), (72, 430710), (80, 387639), (84, 369180), (90, 344568), (98, 316440), (105, 295344), (108, 287140), (112, 276885), (120, 258426), (126, 246120), (135, 229712), (140, 221508), (144, 215355), (147, 210960), (168, 184590), (180, 172284), (189, 164080), (196, 158220), (210, 147672), (216, 143570), (240, 129213), (245, 126576), (252, 123060), (270, 114856), (280, 110754), (293, 105840), (294, 105480), (315, 98448), (336, 92295), (360, 86142), (378, 82040), (392, 79110), (420, 73836), (432, 71785), (441, 70320), (490, 63288), (504, 61530), (540, 57428), (560, 55377), (586, 52920), (588, 52740), (630, 49224), (720, 43071), (735, 42192), (756, 41020), (784, 39555), (840, 36918), (879, 35280), (882, 35160), (945, 32816), (980, 31644), (1008, 30765), (1080, 28714), (1172, 26460), (1176, 26370), (1260, 24612), (1323, 23440), (1465, 21168), (1470, 21096), (1512, 20510), (1680, 18459), (1758, 17640), (1764, 17580), (1890, 16408), (1960, 15822), (2051, 15120), (2160, 14357), (2205, 14064), (2344, 13230), (2352, 13185), (2520, 12306), (2637, 11760), (2646, 11720), (2930, 10584), (2940, 10548), (3024, 10255), (3516, 8820), (3528, 8790), (3780, 8204), (3920, 7911), (4102, 7560), (4395, 7056), (4410, 7032), (4688, 6615), (5040, 6153), (5274, 5880), (5292, 5860)]