31539240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 256

約数和(自身を含む): 116640000

約数和(自身を除く): 85100760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 29, 30, 36, 38, 40, 45, 53, 54, 57, 58, 60, 72, 76, 87, 90, 95, 106, 108, 114, 116, 120, 135, 145, 152, 159, 171, 174, 180, 190, 212, 216, 228, 232, 261, 265, 270, 285, 290, 318, 342, 348, 360, 380, 424, 435, 456, 477, 513, 522, 530, 540, 551, 570, 580, 636, 684, 696, 760, 783, 795, 855, 870, 954, 1007, 1026, 1044, 1060, 1080, 1102, 1140, 1160, 1272, 1305, 1368, 1431, 1537, 1566, 1590, 1653, 1710, 1740, 1908, 2014, 2052, 2088, 2120, 2204, 2280, 2385, 2565, 2610, 2755, 2862, 3021, 3074, 3132, 3180, 3306, 3420, 3480, 3816, 3915, 4028, 4104, 4408, 4611, 4770, 4959, 5035, 5130, 5220, 5510, 5724, 6042, 6148, 6264, 6360, 6612, 6840, 7155, 7685, 7830, 8056, 8265, 9063, 9222, 9540, 9918, 10070, 10260, 10440, 11020, 11448, 12084, 12296, 13224, 13833, 14310, 14877, 15105, 15370, 15660, 16530, 18126, 18444, 19080, 19836, 20140, 20520, 22040, 23055, 24168, 24795, 27189, 27666, 28620, 29203, 29754, 30210, 30740, 31320, 33060, 36252, 36888, 39672, 40280, 41499, 45315, 46110, 49590, 54378, 55332, 57240, 58406, 59508, 60420, 61480, 66120, 69165, 72504, 74385, 82998, 87609, 90630, 92220, 99180, 108756, 110664, 116812, 119016, 120840, 135945, 138330, 146015, 148770, 165996, 175218, 181260, 184440, 198360, 207495, 217512, 233624, 262827, 271890, 276660, 292030, 297540, 331992, 350436, 362520, 414990, 438045, 525654, 543780, 553320, 584060, 595080, 700872, 788481, 829980, 876090, 1051308, 1087560, 1168120, 1314135, 1576962, 1659960, 1752180, 2102616, 2628270, 3153924, 3504360, 3942405, 5256540, 6307848, 7884810, 10513080, 15769620, 31539240]

約数ペア:

[(1, 31539240), (2, 15769620), (3, 10513080), (4, 7884810), (5, 6307848), (6, 5256540), (8, 3942405), (9, 3504360), (10, 3153924), (12, 2628270), (15, 2102616), (18, 1752180), (19, 1659960), (20, 1576962), (24, 1314135), (27, 1168120), (29, 1087560), (30, 1051308), (36, 876090), (38, 829980), (40, 788481), (45, 700872), (53, 595080), (54, 584060), (57, 553320), (58, 543780), (60, 525654), (72, 438045), (76, 414990), (87, 362520), (90, 350436), (95, 331992), (106, 297540), (108, 292030), (114, 276660), (116, 271890), (120, 262827), (135, 233624), (145, 217512), (152, 207495), (159, 198360), (171, 184440), (174, 181260), (180, 175218), (190, 165996), (212, 148770), (216, 146015), (228, 138330), (232, 135945), (261, 120840), (265, 119016), (270, 116812), (285, 110664), (290, 108756), (318, 99180), (342, 92220), (348, 90630), (360, 87609), (380, 82998), (424, 74385), (435, 72504), (456, 69165), (477, 66120), (513, 61480), (522, 60420), (530, 59508), (540, 58406), (551, 57240), (570, 55332), (580, 54378), (636, 49590), (684, 46110), (696, 45315), (760, 41499), (783, 40280), (795, 39672), (855, 36888), (870, 36252), (954, 33060), (1007, 31320), (1026, 30740), (1044, 30210), (1060, 29754), (1080, 29203), (1102, 28620), (1140, 27666), (1160, 27189), (1272, 24795), (1305, 24168), (1368, 23055), (1431, 22040), (1537, 20520), (1566, 20140), (1590, 19836), (1653, 19080), (1710, 18444), (1740, 18126), (1908, 16530), (2014, 15660), (2052, 15370), (2088, 15105), (2120, 14877), (2204, 14310), (2280, 13833), (2385, 13224), (2565, 12296), (2610, 12084), (2755, 11448), (2862, 11020), (3021, 10440), (3074, 10260), (3132, 10070), (3180, 9918), (3306, 9540), (3420, 9222), (3480, 9063), (3816, 8265), (3915, 8056), (4028, 7830), (4104, 7685), (4408, 7155), (4611, 6840), (4770, 6612), (4959, 6360), (5035, 6264), (5130, 6148), (5220, 6042), (5510, 5724)]