81618300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 290259200

約数和(自身を除く): 208640900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 37, 38, 43, 45, 50, 54, 57, 60, 74, 75, 76, 86, 90, 95, 100, 108, 111, 114, 129, 135, 148, 150, 171, 172, 180, 185, 190, 215, 222, 225, 228, 258, 270, 285, 300, 333, 342, 370, 380, 387, 430, 444, 450, 475, 513, 516, 540, 555, 570, 645, 666, 675, 684, 703, 740, 774, 817, 855, 860, 900, 925, 950, 999, 1026, 1075, 1110, 1140, 1161, 1290, 1332, 1350, 1406, 1425, 1548, 1591, 1634, 1665, 1710, 1850, 1900, 1935, 1998, 2052, 2109, 2150, 2220, 2322, 2451, 2565, 2580, 2700, 2775, 2812, 2850, 3182, 3225, 3268, 3330, 3420, 3515, 3700, 3870, 3996, 4085, 4218, 4275, 4300, 4644, 4773, 4902, 4995, 5130, 5550, 5700, 5805, 6327, 6364, 6450, 6660, 7030, 7353, 7740, 7955, 8170, 8325, 8436, 8550, 9546, 9675, 9804, 9990, 10260, 10545, 11100, 11610, 12255, 12654, 12825, 12900, 14060, 14319, 14706, 15910, 16340, 16650, 17100, 17575, 18981, 19092, 19350, 19980, 20425, 21090, 22059, 23220, 23865, 24510, 24975, 25308, 25650, 28638, 29025, 29412, 30229, 31635, 31820, 33300, 35150, 36765, 37962, 38700, 39775, 40850, 42180, 42957, 44118, 47730, 49020, 49950, 51300, 52725, 57276, 58050, 60458, 61275, 63270, 70300, 71595, 73530, 75924, 79550, 81700, 85914, 88236, 90687, 94905, 95460, 99900, 105450, 110295, 116100, 119325, 120916, 122550, 126540, 143190, 147060, 151145, 158175, 159100, 171828, 181374, 183825, 189810, 210900, 214785, 220590, 238650, 245100, 272061, 286380, 302290, 316350, 357975, 362748, 367650, 379620, 429570, 441180, 453435, 474525, 477300, 544122, 551475, 604580, 632700, 715950, 735300, 755725, 816183, 859140, 906870, 949050, 1073925, 1088244, 1102950, 1360305, 1431900, 1511450, 1632366, 1813740, 1898100, 2147850, 2205900, 2267175, 2720610, 3022900, 3264732, 4080915, 4295700, 4534350, 5441220, 6801525, 8161830, 9068700, 13603050, 16323660, 20404575, 27206100, 40809150, 81618300]

約数ペア:

[(1, 81618300), (2, 40809150), (3, 27206100), (4, 20404575), (5, 16323660), (6, 13603050), (9, 9068700), (10, 8161830), (12, 6801525), (15, 5441220), (18, 4534350), (19, 4295700), (20, 4080915), (25, 3264732), (27, 3022900), (30, 2720610), (36, 2267175), (37, 2205900), (38, 2147850), (43, 1898100), (45, 1813740), (50, 1632366), (54, 1511450), (57, 1431900), (60, 1360305), (74, 1102950), (75, 1088244), (76, 1073925), (86, 949050), (90, 906870), (95, 859140), (100, 816183), (108, 755725), (111, 735300), (114, 715950), (129, 632700), (135, 604580), (148, 551475), (150, 544122), (171, 477300), (172, 474525), (180, 453435), (185, 441180), (190, 429570), (215, 379620), (222, 367650), (225, 362748), (228, 357975), (258, 316350), (270, 302290), (285, 286380), (300, 272061), (333, 245100), (342, 238650), (370, 220590), (380, 214785), (387, 210900), (430, 189810), (444, 183825), (450, 181374), (475, 171828), (513, 159100), (516, 158175), (540, 151145), (555, 147060), (570, 143190), (645, 126540), (666, 122550), (675, 120916), (684, 119325), (703, 116100), (740, 110295), (774, 105450), (817, 99900), (855, 95460), (860, 94905), (900, 90687), (925, 88236), (950, 85914), (999, 81700), (1026, 79550), (1075, 75924), (1110, 73530), (1140, 71595), (1161, 70300), (1290, 63270), (1332, 61275), (1350, 60458), (1406, 58050), (1425, 57276), (1548, 52725), (1591, 51300), (1634, 49950), (1665, 49020), (1710, 47730), (1850, 44118), (1900, 42957), (1935, 42180), (1998, 40850), (2052, 39775), (2109, 38700), (2150, 37962), (2220, 36765), (2322, 35150), (2451, 33300), (2565, 31820), (2580, 31635), (2700, 30229), (2775, 29412), (2812, 29025), (2850, 28638), (3182, 25650), (3225, 25308), (3268, 24975), (3330, 24510), (3420, 23865), (3515, 23220), (3700, 22059), (3870, 21090), (3996, 20425), (4085, 19980), (4218, 19350), (4275, 19092), (4300, 18981), (4644, 17575), (4773, 17100), (4902, 16650), (4995, 16340), (5130, 15910), (5550, 14706), (5700, 14319), (5805, 14060), (6327, 12900), (6364, 12825), (6450, 12654), (6660, 12255), (7030, 11610), (7353, 11100), (7740, 10545), (7955, 10260), (8170, 9990), (8325, 9804), (8436, 9675), (8550, 9546)]