31481252640

素因数分解:

$2^5\times 3^8\times 5^1\times {\mathrm{29989}}^1$

素因数の和:30028

約数の個数: 216

約数和(自身を含む): 111559741020

約数和(自身を除く): 80078488380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 729, 810, 864, 972, 1080, 1215, 1296, 1440, 1458, 1620, 1944, 2160, 2187, 2430, 2592, 2916, 3240, 3645, 3888, 4320, 4374, 4860, 5832, 6480, 6561, 7290, 7776, 8748, 9720, 10935, 11664, 12960, 13122, 14580, 17496, 19440, 21870, 23328, 26244, 29160, 29989, 32805, 34992, 38880, 43740, 52488, 58320, 59978, 65610, 69984, 87480, 89967, 104976, 116640, 119956, 131220, 149945, 174960, 179934, 209952, 239912, 262440, 269901, 299890, 349920, 359868, 449835, 479824, 524880, 539802, 599780, 719736, 809703, 899670, 959648, 1049760, 1079604, 1199560, 1349505, 1439472, 1619406, 1799340, 2159208, 2399120, 2429109, 2699010, 2878944, 3238812, 3598680, 4048515, 4318416, 4798240, 4858218, 5398020, 6477624, 7197360, 7287327, 8097030, 8636832, 9716436, 10796040, 12145545, 12955248, 14394720, 14574654, 16194060, 19432872, 21592080, 21861981, 24291090, 25910496, 29149308, 32388120, 36436635, 38865744, 43184160, 43723962, 48582180, 58298616, 64776240, 65585943, 72873270, 77731488, 87447924, 97164360, 109309905, 116597232, 129552480, 131171886, 145746540, 174895848, 194328720, 196757829, 218619810, 233194464, 262343772, 291493080, 327929715, 349791696, 388657440, 393515658, 437239620, 524687544, 582986160, 655859430, 699583392, 787031316, 874479240, 983789145, 1049375088, 1165972320, 1311718860, 1574062632, 1748958480, 1967578290, 2098750176, 2623437720, 3148125264, 3497916960, 3935156580, 5246875440, 6296250528, 7870313160, 10493750880, 15740626320, 31481252640]

約数ペア:

[(1, 31481252640), (2, 15740626320), (3, 10493750880), (4, 7870313160), (5, 6296250528), (6, 5246875440), (8, 3935156580), (9, 3497916960), (10, 3148125264), (12, 2623437720), (15, 2098750176), (16, 1967578290), (18, 1748958480), (20, 1574062632), (24, 1311718860), (27, 1165972320), (30, 1049375088), (32, 983789145), (36, 874479240), (40, 787031316), (45, 699583392), (48, 655859430), (54, 582986160), (60, 524687544), (72, 437239620), (80, 393515658), (81, 388657440), (90, 349791696), (96, 327929715), (108, 291493080), (120, 262343772), (135, 233194464), (144, 218619810), (160, 196757829), (162, 194328720), (180, 174895848), (216, 145746540), (240, 131171886), (243, 129552480), (270, 116597232), (288, 109309905), (324, 97164360), (360, 87447924), (405, 77731488), (432, 72873270), (480, 65585943), (486, 64776240), (540, 58298616), (648, 48582180), (720, 43723962), (729, 43184160), (810, 38865744), (864, 36436635), (972, 32388120), (1080, 29149308), (1215, 25910496), (1296, 24291090), (1440, 21861981), (1458, 21592080), (1620, 19432872), (1944, 16194060), (2160, 14574654), (2187, 14394720), (2430, 12955248), (2592, 12145545), (2916, 10796040), (3240, 9716436), (3645, 8636832), (3888, 8097030), (4320, 7287327), (4374, 7197360), (4860, 6477624), (5832, 5398020), (6480, 4858218), (6561, 4798240), (7290, 4318416), (7776, 4048515), (8748, 3598680), (9720, 3238812), (10935, 2878944), (11664, 2699010), (12960, 2429109), (13122, 2399120), (14580, 2159208), (17496, 1799340), (19440, 1619406), (21870, 1439472), (23328, 1349505), (26244, 1199560), (29160, 1079604), (29989, 1049760), (32805, 959648), (34992, 899670), (38880, 809703), (43740, 719736), (52488, 599780), (58320, 539802), (59978, 524880), (65610, 479824), (69984, 449835), (87480, 359868), (89967, 349920), (104976, 299890), (116640, 269901), (119956, 262440), (131220, 239912), (149945, 209952), (174960, 179934)]