981099960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:462

約数の個数: 256

約数和(自身を含む): 3303244800

約数和(自身を除く): 2322144840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 53, 57, 60, 69, 76, 92, 95, 106, 114, 115, 120, 138, 152, 159, 184, 190, 212, 228, 230, 265, 276, 285, 318, 345, 353, 380, 424, 437, 456, 460, 530, 552, 570, 636, 690, 706, 760, 795, 874, 920, 1007, 1059, 1060, 1140, 1219, 1272, 1311, 1380, 1412, 1590, 1748, 1765, 2014, 2118, 2120, 2185, 2280, 2438, 2622, 2760, 2824, 3021, 3180, 3496, 3530, 3657, 4028, 4236, 4370, 4876, 5035, 5244, 5295, 6042, 6095, 6360, 6555, 6707, 7060, 7314, 8056, 8119, 8472, 8740, 9752, 10070, 10488, 10590, 12084, 12190, 13110, 13414, 14120, 14628, 15105, 16238, 17480, 18285, 18709, 20121, 20140, 21180, 23161, 24168, 24357, 24380, 26220, 26828, 29256, 30210, 32476, 33535, 36570, 37418, 40242, 40280, 40595, 42360, 46322, 48714, 48760, 52440, 53656, 56127, 60420, 64952, 67070, 69483, 73140, 74836, 80484, 81190, 92644, 93545, 97428, 100605, 112254, 115805, 120840, 121785, 134140, 138966, 146280, 149672, 154261, 160968, 162380, 185288, 187090, 194856, 201210, 224508, 231610, 243570, 268280, 277932, 280635, 308522, 324760, 347415, 355471, 374180, 402420, 430307, 449016, 462783, 463220, 487140, 555864, 561270, 617044, 694830, 710942, 748360, 771305, 804840, 860614, 925566, 926440, 974280, 1066413, 1122540, 1234088, 1290921, 1389660, 1421884, 1542610, 1721228, 1777355, 1851132, 2132826, 2151535, 2245080, 2313915, 2581842, 2779320, 2843768, 3085220, 3442456, 3554710, 3702264, 4265652, 4303070, 4627830, 5163684, 5332065, 6170440, 6454605, 7109420, 8175833, 8531304, 8606140, 9255660, 10327368, 10664130, 12909210, 14218840, 16351666, 17212280, 18511320, 21328260, 24527499, 25818420, 32703332, 40879165, 42656520, 49054998, 51636840, 65406664, 81758330, 98109996, 122637495, 163516660, 196219992, 245274990, 327033320, 490549980, 981099960]

約数ペア:

[(1, 981099960), (2, 490549980), (3, 327033320), (4, 245274990), (5, 196219992), (6, 163516660), (8, 122637495), (10, 98109996), (12, 81758330), (15, 65406664), (19, 51636840), (20, 49054998), (23, 42656520), (24, 40879165), (30, 32703332), (38, 25818420), (40, 24527499), (46, 21328260), (53, 18511320), (57, 17212280), (60, 16351666), (69, 14218840), (76, 12909210), (92, 10664130), (95, 10327368), (106, 9255660), (114, 8606140), (115, 8531304), (120, 8175833), (138, 7109420), (152, 6454605), (159, 6170440), (184, 5332065), (190, 5163684), (212, 4627830), (228, 4303070), (230, 4265652), (265, 3702264), (276, 3554710), (285, 3442456), (318, 3085220), (345, 2843768), (353, 2779320), (380, 2581842), (424, 2313915), (437, 2245080), (456, 2151535), (460, 2132826), (530, 1851132), (552, 1777355), (570, 1721228), (636, 1542610), (690, 1421884), (706, 1389660), (760, 1290921), (795, 1234088), (874, 1122540), (920, 1066413), (1007, 974280), (1059, 926440), (1060, 925566), (1140, 860614), (1219, 804840), (1272, 771305), (1311, 748360), (1380, 710942), (1412, 694830), (1590, 617044), (1748, 561270), (1765, 555864), (2014, 487140), (2118, 463220), (2120, 462783), (2185, 449016), (2280, 430307), (2438, 402420), (2622, 374180), (2760, 355471), (2824, 347415), (3021, 324760), (3180, 308522), (3496, 280635), (3530, 277932), (3657, 268280), (4028, 243570), (4236, 231610), (4370, 224508), (4876, 201210), (5035, 194856), (5244, 187090), (5295, 185288), (6042, 162380), (6095, 160968), (6360, 154261), (6555, 149672), (6707, 146280), (7060, 138966), (7314, 134140), (8056, 121785), (8119, 120840), (8472, 115805), (8740, 112254), (9752, 100605), (10070, 97428), (10488, 93545), (10590, 92644), (12084, 81190), (12190, 80484), (13110, 74836), (13414, 73140), (14120, 69483), (14628, 67070), (15105, 64952), (16238, 60420), (17480, 56127), (18285, 53656), (18709, 52440), (20121, 48760), (20140, 48714), (21180, 46322), (23161, 42360), (24168, 40595), (24357, 40280), (24380, 40242), (26220, 37418), (26828, 36570), (29256, 33535), (30210, 32476)]