1970208720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:1010

約数の個数: 240

約数和(自身を含む): 6904415232

約数和(自身を除く): 4934206512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 103, 120, 124, 144, 155, 180, 186, 206, 240, 248, 279, 309, 310, 360, 372, 412, 465, 496, 515, 558, 618, 620, 720, 744, 824, 857, 927, 930, 1030, 1116, 1236, 1240, 1395, 1488, 1545, 1648, 1714, 1854, 1860, 2060, 2232, 2472, 2480, 2571, 2790, 3090, 3193, 3428, 3708, 3720, 4120, 4285, 4464, 4635, 4944, 5142, 5580, 6180, 6386, 6856, 7416, 7440, 7713, 8240, 8570, 9270, 9579, 10284, 11160, 12360, 12772, 12855, 13712, 14832, 15426, 15965, 17140, 18540, 19158, 20568, 22320, 24720, 25544, 25710, 26567, 28737, 30852, 31930, 34280, 37080, 38316, 38565, 41136, 47895, 51088, 51420, 53134, 57474, 61704, 63860, 68560, 74160, 76632, 77130, 79701, 88271, 95790, 102840, 106268, 114948, 123408, 127720, 132835, 143685, 153264, 154260, 159402, 176542, 191580, 205680, 212536, 229896, 239103, 255440, 264813, 265670, 287370, 308520, 318804, 353084, 383160, 398505, 425072, 441355, 459792, 478206, 529626, 531340, 574740, 617040, 637608, 706168, 766320, 794439, 797010, 882710, 956412, 1059252, 1062680, 1149480, 1195515, 1275216, 1324065, 1412336, 1588878, 1594020, 1765420, 1912824, 2118504, 2125360, 2298960, 2391030, 2648130, 2736401, 3177756, 3188040, 3530840, 3825648, 3972195, 4237008, 4782060, 5296260, 5472802, 6355512, 6376080, 7061680, 7944390, 8209203, 9564120, 10592520, 10945604, 12711024, 13682005, 15888780, 16418406, 19128240, 21185040, 21891208, 24627609, 27364010, 31777560, 32836812, 41046015, 43782416, 49255218, 54728020, 63555120, 65673624, 82092030, 98510436, 109456040, 123138045, 131347248, 164184060, 197020872, 218912080, 246276090, 328368120, 394041744, 492552180, 656736240, 985104360, 1970208720]

約数ペア:

[(1, 1970208720), (2, 985104360), (3, 656736240), (4, 492552180), (5, 394041744), (6, 328368120), (8, 246276090), (9, 218912080), (10, 197020872), (12, 164184060), (15, 131347248), (16, 123138045), (18, 109456040), (20, 98510436), (24, 82092030), (30, 65673624), (31, 63555120), (36, 54728020), (40, 49255218), (45, 43782416), (48, 41046015), (60, 32836812), (62, 31777560), (72, 27364010), (80, 24627609), (90, 21891208), (93, 21185040), (103, 19128240), (120, 16418406), (124, 15888780), (144, 13682005), (155, 12711024), (180, 10945604), (186, 10592520), (206, 9564120), (240, 8209203), (248, 7944390), (279, 7061680), (309, 6376080), (310, 6355512), (360, 5472802), (372, 5296260), (412, 4782060), (465, 4237008), (496, 3972195), (515, 3825648), (558, 3530840), (618, 3188040), (620, 3177756), (720, 2736401), (744, 2648130), (824, 2391030), (857, 2298960), (927, 2125360), (930, 2118504), (1030, 1912824), (1116, 1765420), (1236, 1594020), (1240, 1588878), (1395, 1412336), (1488, 1324065), (1545, 1275216), (1648, 1195515), (1714, 1149480), (1854, 1062680), (1860, 1059252), (2060, 956412), (2232, 882710), (2472, 797010), (2480, 794439), (2571, 766320), (2790, 706168), (3090, 637608), (3193, 617040), (3428, 574740), (3708, 531340), (3720, 529626), (4120, 478206), (4285, 459792), (4464, 441355), (4635, 425072), (4944, 398505), (5142, 383160), (5580, 353084), (6180, 318804), (6386, 308520), (6856, 287370), (7416, 265670), (7440, 264813), (7713, 255440), (8240, 239103), (8570, 229896), (9270, 212536), (9579, 205680), (10284, 191580), (11160, 176542), (12360, 159402), (12772, 154260), (12855, 153264), (13712, 143685), (14832, 132835), (15426, 127720), (15965, 123408), (17140, 114948), (18540, 106268), (19158, 102840), (20568, 95790), (22320, 88271), (24720, 79701), (25544, 77130), (25710, 76632), (26567, 74160), (28737, 68560), (30852, 63860), (31930, 61704), (34280, 57474), (37080, 53134), (38316, 51420), (38565, 51088), (41136, 47895)]