30983680

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 240

約数和(自身を含む): 97962480

約数和(自身を除く): 66978800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 49, 52, 56, 64, 65, 70, 76, 80, 91, 95, 98, 104, 112, 128, 130, 133, 140, 152, 160, 182, 190, 196, 208, 224, 245, 247, 256, 260, 266, 280, 304, 320, 364, 380, 392, 416, 448, 455, 490, 494, 512, 520, 532, 560, 608, 637, 640, 665, 728, 760, 784, 832, 896, 910, 931, 980, 988, 1040, 1064, 1120, 1216, 1235, 1274, 1280, 1330, 1456, 1520, 1568, 1664, 1729, 1792, 1820, 1862, 1960, 1976, 2080, 2128, 2240, 2432, 2470, 2548, 2560, 2660, 2912, 3040, 3136, 3185, 3328, 3458, 3584, 3640, 3724, 3920, 3952, 4160, 4256, 4480, 4655, 4864, 4940, 5096, 5320, 5824, 6080, 6272, 6370, 6656, 6916, 7280, 7448, 7840, 7904, 8320, 8512, 8645, 8960, 9310, 9728, 9880, 10192, 10640, 11648, 12103, 12160, 12544, 12740, 13832, 14560, 14896, 15680, 15808, 16640, 17024, 17290, 17920, 18620, 19760, 20384, 21280, 23296, 24206, 24320, 25088, 25480, 27664, 29120, 29792, 31360, 31616, 33280, 34048, 34580, 37240, 39520, 40768, 42560, 46592, 48412, 48640, 50960, 55328, 58240, 59584, 60515, 62720, 63232, 68096, 69160, 74480, 79040, 81536, 85120, 96824, 101920, 110656, 116480, 119168, 121030, 125440, 126464, 138320, 148960, 158080, 163072, 170240, 193648, 203840, 221312, 232960, 238336, 242060, 276640, 297920, 316160, 326144, 340480, 387296, 407680, 442624, 476672, 484120, 553280, 595840, 632320, 774592, 815360, 885248, 968240, 1106560, 1191680, 1549184, 1630720, 1936480, 2213120, 2383360, 3098368, 3872960, 4426240, 6196736, 7745920, 15491840, 30983680]

約数ペア:

[(1, 30983680), (2, 15491840), (4, 7745920), (5, 6196736), (7, 4426240), (8, 3872960), (10, 3098368), (13, 2383360), (14, 2213120), (16, 1936480), (19, 1630720), (20, 1549184), (26, 1191680), (28, 1106560), (32, 968240), (35, 885248), (38, 815360), (40, 774592), (49, 632320), (52, 595840), (56, 553280), (64, 484120), (65, 476672), (70, 442624), (76, 407680), (80, 387296), (91, 340480), (95, 326144), (98, 316160), (104, 297920), (112, 276640), (128, 242060), (130, 238336), (133, 232960), (140, 221312), (152, 203840), (160, 193648), (182, 170240), (190, 163072), (196, 158080), (208, 148960), (224, 138320), (245, 126464), (247, 125440), (256, 121030), (260, 119168), (266, 116480), (280, 110656), (304, 101920), (320, 96824), (364, 85120), (380, 81536), (392, 79040), (416, 74480), (448, 69160), (455, 68096), (490, 63232), (494, 62720), (512, 60515), (520, 59584), (532, 58240), (560, 55328), (608, 50960), (637, 48640), (640, 48412), (665, 46592), (728, 42560), (760, 40768), (784, 39520), (832, 37240), (896, 34580), (910, 34048), (931, 33280), (980, 31616), (988, 31360), (1040, 29792), (1064, 29120), (1120, 27664), (1216, 25480), (1235, 25088), (1274, 24320), (1280, 24206), (1330, 23296), (1456, 21280), (1520, 20384), (1568, 19760), (1664, 18620), (1729, 17920), (1792, 17290), (1820, 17024), (1862, 16640), (1960, 15808), (1976, 15680), (2080, 14896), (2128, 14560), (2240, 13832), (2432, 12740), (2470, 12544), (2548, 12160), (2560, 12103), (2660, 11648), (2912, 10640), (3040, 10192), (3136, 9880), (3185, 9728), (3328, 9310), (3458, 8960), (3584, 8645), (3640, 8512), (3724, 8320), (3920, 7904), (3952, 7840), (4160, 7448), (4256, 7280), (4480, 6916), (4655, 6656), (4864, 6370), (4940, 6272), (5096, 6080), (5320, 5824)]