79983540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 288

約数和(自身を含む): 315544320

約数和(自身を除く): 235560780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 257, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 514, 532, 546, 570, 585, 630, 665, 684, 741, 771, 780, 798, 819, 855, 910, 988, 1028, 1092, 1140, 1170, 1197, 1235, 1260, 1285, 1330, 1365, 1482, 1542, 1596, 1638, 1710, 1729, 1799, 1820, 1995, 2223, 2313, 2340, 2394, 2470, 2570, 2660, 2730, 2964, 3084, 3276, 3341, 3420, 3458, 3598, 3705, 3855, 3990, 4095, 4446, 4626, 4788, 4883, 4940, 5140, 5187, 5397, 5460, 5985, 6682, 6916, 7196, 7410, 7710, 7980, 8190, 8645, 8892, 8995, 9252, 9766, 10023, 10374, 10794, 11115, 11565, 11970, 13364, 14649, 14820, 15420, 15561, 16191, 16380, 16705, 17290, 17990, 19532, 20046, 20748, 21588, 22230, 23130, 23387, 23940, 24415, 25935, 26985, 29298, 30069, 31122, 32382, 33410, 34181, 34580, 35980, 40092, 43947, 44460, 46260, 46774, 48830, 50115, 51870, 53970, 58596, 60138, 62244, 63479, 64764, 66820, 68362, 70161, 73245, 77805, 80955, 87894, 93548, 97660, 100230, 102543, 103740, 107940, 116935, 120276, 126958, 136724, 140322, 146490, 150345, 155610, 161910, 170905, 175788, 190437, 200460, 205086, 210483, 219735, 233870, 253916, 280644, 292980, 300690, 307629, 311220, 317395, 323820, 341810, 350805, 380874, 410172, 420966, 439470, 444353, 467740, 512715, 571311, 601380, 615258, 634790, 683620, 701610, 761748, 841932, 878940, 888706, 952185, 1025430, 1052415, 1142622, 1230516, 1269580, 1333059, 1403220, 1538145, 1777412, 1904370, 2050860, 2104830, 2221765, 2285244, 2666118, 2856555, 3076290, 3808740, 3999177, 4209660, 4443530, 5332236, 5713110, 6152580, 6665295, 7998354, 8887060, 11426220, 13330590, 15996708, 19995885, 26661180, 39991770, 79983540]

約数ペア:

[(1, 79983540), (2, 39991770), (3, 26661180), (4, 19995885), (5, 15996708), (6, 13330590), (7, 11426220), (9, 8887060), (10, 7998354), (12, 6665295), (13, 6152580), (14, 5713110), (15, 5332236), (18, 4443530), (19, 4209660), (20, 3999177), (21, 3808740), (26, 3076290), (28, 2856555), (30, 2666118), (35, 2285244), (36, 2221765), (38, 2104830), (39, 2050860), (42, 1904370), (45, 1777412), (52, 1538145), (57, 1403220), (60, 1333059), (63, 1269580), (65, 1230516), (70, 1142622), (76, 1052415), (78, 1025430), (84, 952185), (90, 888706), (91, 878940), (95, 841932), (105, 761748), (114, 701610), (117, 683620), (126, 634790), (130, 615258), (133, 601380), (140, 571311), (156, 512715), (171, 467740), (180, 444353), (182, 439470), (190, 420966), (195, 410172), (210, 380874), (228, 350805), (234, 341810), (247, 323820), (252, 317395), (257, 311220), (260, 307629), (266, 300690), (273, 292980), (285, 280644), (315, 253916), (342, 233870), (364, 219735), (380, 210483), (390, 205086), (399, 200460), (420, 190437), (455, 175788), (468, 170905), (494, 161910), (514, 155610), (532, 150345), (546, 146490), (570, 140322), (585, 136724), (630, 126958), (665, 120276), (684, 116935), (741, 107940), (771, 103740), (780, 102543), (798, 100230), (819, 97660), (855, 93548), (910, 87894), (988, 80955), (1028, 77805), (1092, 73245), (1140, 70161), (1170, 68362), (1197, 66820), (1235, 64764), (1260, 63479), (1285, 62244), (1330, 60138), (1365, 58596), (1482, 53970), (1542, 51870), (1596, 50115), (1638, 48830), (1710, 46774), (1729, 46260), (1799, 44460), (1820, 43947), (1995, 40092), (2223, 35980), (2313, 34580), (2340, 34181), (2394, 33410), (2470, 32382), (2570, 31122), (2660, 30069), (2730, 29298), (2964, 26985), (3084, 25935), (3276, 24415), (3341, 23940), (3420, 23387), (3458, 23130), (3598, 22230), (3705, 21588), (3855, 20748), (3990, 20046), (4095, 19532), (4446, 17990), (4626, 17290), (4788, 16705), (4883, 16380), (4940, 16191), (5140, 15561), (5187, 15420), (5397, 14820), (5460, 14649), (5985, 13364), (6682, 11970), (6916, 11565), (7196, 11115), (7410, 10794), (7710, 10374), (7980, 10023), (8190, 9766), (8645, 9252), (8892, 8995)]