1991641680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2617}}^1$

素因数の和:2794

約数の個数: 240

約数和(自身を含む): 7697673984

約数和(自身を除く): 5706032304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 151, 168, 180, 210, 240, 252, 280, 302, 315, 336, 360, 420, 453, 504, 560, 604, 630, 720, 755, 840, 906, 1008, 1057, 1208, 1260, 1359, 1510, 1680, 1812, 2114, 2265, 2416, 2520, 2617, 2718, 3020, 3171, 3624, 4228, 4530, 5040, 5234, 5285, 5436, 6040, 6342, 6795, 7248, 7851, 8456, 9060, 9513, 10468, 10570, 10872, 12080, 12684, 13085, 13590, 15702, 15855, 16912, 18120, 18319, 19026, 20936, 21140, 21744, 23553, 25368, 26170, 27180, 31404, 31710, 36240, 36638, 38052, 39255, 41872, 42280, 47106, 47565, 50736, 52340, 54360, 54957, 62808, 63420, 73276, 76104, 78510, 84560, 91595, 94212, 95130, 104680, 108720, 109914, 117765, 125616, 126840, 146552, 152208, 157020, 164871, 183190, 188424, 190260, 209360, 219828, 235530, 253680, 274785, 293104, 314040, 329742, 366380, 376848, 380520, 395167, 439656, 471060, 549570, 628080, 659484, 732760, 761040, 790334, 824355, 879312, 942120, 1099140, 1185501, 1318968, 1465520, 1580668, 1648710, 1884240, 1975835, 2198280, 2371002, 2637936, 2766169, 3161336, 3297420, 3556503, 3951670, 4396560, 4742004, 5532338, 5927505, 6322672, 6594840, 7113006, 7903340, 8298507, 9484008, 11064676, 11855010, 13189680, 13830845, 14226012, 15806680, 16597014, 17782515, 18968016, 22129352, 23710020, 24895521, 27661690, 28452024, 31613360, 33194028, 35565030, 41492535, 44258704, 47420040, 49791042, 55323380, 56904048, 66388056, 71130060, 82985070, 94840080, 99582084, 110646760, 124477605, 132776112, 142260120, 165970140, 199164168, 221293520, 248955210, 284520240, 331940280, 398328336, 497910420, 663880560, 995820840, 1991641680]

約数ペア:

[(1, 1991641680), (2, 995820840), (3, 663880560), (4, 497910420), (5, 398328336), (6, 331940280), (7, 284520240), (8, 248955210), (9, 221293520), (10, 199164168), (12, 165970140), (14, 142260120), (15, 132776112), (16, 124477605), (18, 110646760), (20, 99582084), (21, 94840080), (24, 82985070), (28, 71130060), (30, 66388056), (35, 56904048), (36, 55323380), (40, 49791042), (42, 47420040), (45, 44258704), (48, 41492535), (56, 35565030), (60, 33194028), (63, 31613360), (70, 28452024), (72, 27661690), (80, 24895521), (84, 23710020), (90, 22129352), (105, 18968016), (112, 17782515), (120, 16597014), (126, 15806680), (140, 14226012), (144, 13830845), (151, 13189680), (168, 11855010), (180, 11064676), (210, 9484008), (240, 8298507), (252, 7903340), (280, 7113006), (302, 6594840), (315, 6322672), (336, 5927505), (360, 5532338), (420, 4742004), (453, 4396560), (504, 3951670), (560, 3556503), (604, 3297420), (630, 3161336), (720, 2766169), (755, 2637936), (840, 2371002), (906, 2198280), (1008, 1975835), (1057, 1884240), (1208, 1648710), (1260, 1580668), (1359, 1465520), (1510, 1318968), (1680, 1185501), (1812, 1099140), (2114, 942120), (2265, 879312), (2416, 824355), (2520, 790334), (2617, 761040), (2718, 732760), (3020, 659484), (3171, 628080), (3624, 549570), (4228, 471060), (4530, 439656), (5040, 395167), (5234, 380520), (5285, 376848), (5436, 366380), (6040, 329742), (6342, 314040), (6795, 293104), (7248, 274785), (7851, 253680), (8456, 235530), (9060, 219828), (9513, 209360), (10468, 190260), (10570, 188424), (10872, 183190), (12080, 164871), (12684, 157020), (13085, 152208), (13590, 146552), (15702, 126840), (15855, 125616), (16912, 117765), (18120, 109914), (18319, 108720), (19026, 104680), (20936, 95130), (21140, 94212), (21744, 91595), (23553, 84560), (25368, 78510), (26170, 76104), (27180, 73276), (31404, 63420), (31710, 62808), (36240, 54957), (36638, 54360), (38052, 52340), (39255, 50736), (41872, 47565), (42280, 47106)]