81261101808

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{619}}^1$

素因数の和:956

約数の個数: 240

約数和(自身を含む): 235739911680

約数和(自身を除く): 154478809872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 103, 106, 144, 159, 167, 206, 212, 309, 318, 334, 412, 424, 477, 501, 618, 619, 636, 668, 824, 848, 927, 954, 1002, 1236, 1238, 1272, 1336, 1503, 1648, 1854, 1857, 1908, 2004, 2472, 2476, 2544, 2672, 3006, 3708, 3714, 3816, 4008, 4944, 4952, 5459, 5571, 6012, 7416, 7428, 7632, 8016, 8851, 9904, 10918, 11142, 12024, 14832, 14856, 16377, 17201, 17702, 21836, 22284, 24048, 26553, 29712, 32754, 32807, 34402, 35404, 43672, 44568, 49131, 51603, 53106, 63757, 65508, 65614, 68804, 70808, 79659, 87344, 89136, 98262, 98421, 103206, 103373, 106212, 127514, 131016, 131228, 137608, 141616, 154809, 159318, 191271, 196524, 196842, 206412, 206746, 212424, 255028, 262032, 262456, 275216, 295263, 309618, 310119, 318636, 382542, 393048, 393684, 412824, 413492, 424848, 510056, 524912, 573813, 590526, 619236, 620238, 637272, 765084, 786096, 787368, 825648, 826984, 911653, 930357, 1020112, 1147626, 1181052, 1238472, 1240476, 1274544, 1530168, 1574736, 1653968, 1823306, 1860714, 2295252, 2362104, 2476944, 2480952, 2734959, 3060336, 3379121, 3646612, 3721428, 4590504, 4724208, 4961904, 5469918, 5478769, 6758242, 7293224, 7442856, 8204877, 9181008, 10137363, 10647419, 10939836, 10957538, 13516484, 14586448, 14885712, 16409754, 16436307, 20274726, 21294838, 21879672, 21915076, 27032968, 30412089, 31942257, 32819508, 32872614, 40549452, 42589676, 43759344, 43830152, 49308921, 54065936, 60824178, 63884514, 65639016, 65745228, 81098904, 85179352, 87660304, 95826771, 98617842, 121648356, 127769028, 131278032, 131490456, 162197808, 170358704, 191653542, 197235684, 243296712, 255538056, 262980912, 383307084, 394471368, 486593424, 511076112, 564313207, 766614168, 788942736, 1128626414, 1533228336, 1692939621, 2257252828, 3385879242, 4514505656, 5078818863, 6771758484, 9029011312, 10157637726, 13543516968, 20315275452, 27087033936, 40630550904, 81261101808]

約数ペア:

[(1, 81261101808), (2, 40630550904), (3, 27087033936), (4, 20315275452), (6, 13543516968), (8, 10157637726), (9, 9029011312), (12, 6771758484), (16, 5078818863), (18, 4514505656), (24, 3385879242), (36, 2257252828), (48, 1692939621), (53, 1533228336), (72, 1128626414), (103, 788942736), (106, 766614168), (144, 564313207), (159, 511076112), (167, 486593424), (206, 394471368), (212, 383307084), (309, 262980912), (318, 255538056), (334, 243296712), (412, 197235684), (424, 191653542), (477, 170358704), (501, 162197808), (618, 131490456), (619, 131278032), (636, 127769028), (668, 121648356), (824, 98617842), (848, 95826771), (927, 87660304), (954, 85179352), (1002, 81098904), (1236, 65745228), (1238, 65639016), (1272, 63884514), (1336, 60824178), (1503, 54065936), (1648, 49308921), (1854, 43830152), (1857, 43759344), (1908, 42589676), (2004, 40549452), (2472, 32872614), (2476, 32819508), (2544, 31942257), (2672, 30412089), (3006, 27032968), (3708, 21915076), (3714, 21879672), (3816, 21294838), (4008, 20274726), (4944, 16436307), (4952, 16409754), (5459, 14885712), (5571, 14586448), (6012, 13516484), (7416, 10957538), (7428, 10939836), (7632, 10647419), (8016, 10137363), (8851, 9181008), (9904, 8204877), (10918, 7442856), (11142, 7293224), (12024, 6758242), (14832, 5478769), (14856, 5469918), (16377, 4961904), (17201, 4724208), (17702, 4590504), (21836, 3721428), (22284, 3646612), (24048, 3379121), (26553, 3060336), (29712, 2734959), (32754, 2480952), (32807, 2476944), (34402, 2362104), (35404, 2295252), (43672, 1860714), (44568, 1823306), (49131, 1653968), (51603, 1574736), (53106, 1530168), (63757, 1274544), (65508, 1240476), (65614, 1238472), (68804, 1181052), (70808, 1147626), (79659, 1020112), (87344, 930357), (89136, 911653), (98262, 826984), (98421, 825648), (103206, 787368), (103373, 786096), (106212, 765084), (127514, 637272), (131016, 620238), (131228, 619236), (137608, 590526), (141616, 573813), (154809, 524912), (159318, 510056), (191271, 424848), (196524, 413492), (196842, 412824), (206412, 393684), (206746, 393048), (212424, 382542), (255028, 318636), (262032, 310119), (262456, 309618), (275216, 295263)]