30440280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 105408000

約数和(自身を除く): 74967720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 79, 95, 104, 114, 120, 130, 152, 156, 158, 169, 190, 195, 228, 237, 247, 260, 285, 312, 316, 338, 380, 390, 395, 456, 474, 494, 507, 520, 570, 632, 676, 741, 760, 780, 790, 845, 948, 988, 1014, 1027, 1140, 1185, 1235, 1352, 1482, 1501, 1560, 1580, 1690, 1896, 1976, 2028, 2054, 2280, 2370, 2470, 2535, 2964, 3002, 3081, 3160, 3211, 3380, 3705, 4056, 4108, 4503, 4740, 4940, 5070, 5135, 5928, 6004, 6162, 6422, 6760, 7410, 7505, 8216, 9006, 9480, 9633, 9880, 10140, 10270, 12008, 12324, 12844, 13351, 14820, 15010, 15405, 16055, 18012, 19266, 19513, 20280, 20540, 22515, 24648, 25688, 26702, 29640, 30020, 30810, 32110, 36024, 38532, 39026, 40053, 41080, 45030, 48165, 53404, 58539, 60040, 61620, 64220, 66755, 77064, 78052, 80106, 90060, 96330, 97565, 106808, 117078, 123240, 128440, 133510, 156104, 160212, 180120, 192660, 195130, 200265, 234156, 253669, 267020, 292695, 320424, 385320, 390260, 400530, 468312, 507338, 534040, 585390, 761007, 780520, 801060, 1014676, 1170780, 1268345, 1522014, 1602120, 2029352, 2341560, 2536690, 3044028, 3805035, 5073380, 6088056, 7610070, 10146760, 15220140, 30440280]

約数ペア:

[(1, 30440280), (2, 15220140), (3, 10146760), (4, 7610070), (5, 6088056), (6, 5073380), (8, 3805035), (10, 3044028), (12, 2536690), (13, 2341560), (15, 2029352), (19, 1602120), (20, 1522014), (24, 1268345), (26, 1170780), (30, 1014676), (38, 801060), (39, 780520), (40, 761007), (52, 585390), (57, 534040), (60, 507338), (65, 468312), (76, 400530), (78, 390260), (79, 385320), (95, 320424), (104, 292695), (114, 267020), (120, 253669), (130, 234156), (152, 200265), (156, 195130), (158, 192660), (169, 180120), (190, 160212), (195, 156104), (228, 133510), (237, 128440), (247, 123240), (260, 117078), (285, 106808), (312, 97565), (316, 96330), (338, 90060), (380, 80106), (390, 78052), (395, 77064), (456, 66755), (474, 64220), (494, 61620), (507, 60040), (520, 58539), (570, 53404), (632, 48165), (676, 45030), (741, 41080), (760, 40053), (780, 39026), (790, 38532), (845, 36024), (948, 32110), (988, 30810), (1014, 30020), (1027, 29640), (1140, 26702), (1185, 25688), (1235, 24648), (1352, 22515), (1482, 20540), (1501, 20280), (1560, 19513), (1580, 19266), (1690, 18012), (1896, 16055), (1976, 15405), (2028, 15010), (2054, 14820), (2280, 13351), (2370, 12844), (2470, 12324), (2535, 12008), (2964, 10270), (3002, 10140), (3081, 9880), (3160, 9633), (3211, 9480), (3380, 9006), (3705, 8216), (4056, 7505), (4108, 7410), (4503, 6760), (4740, 6422), (4940, 6162), (5070, 6004), (5135, 5928)]