181140680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:547

約数の個数: 128

約数和(自身を含む): 497664000

約数和(自身を除く): 316523320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 95, 133, 140, 152, 158, 190, 266, 280, 316, 380, 395, 431, 532, 553, 632, 665, 760, 790, 862, 1064, 1106, 1330, 1501, 1580, 1724, 2155, 2212, 2660, 2765, 3002, 3017, 3160, 3448, 4310, 4424, 5320, 5530, 6004, 6034, 7505, 8189, 8620, 10507, 11060, 12008, 12068, 15010, 15085, 16378, 17240, 21014, 22120, 24136, 30020, 30170, 32756, 34049, 40945, 42028, 52535, 57323, 60040, 60340, 65512, 68098, 81890, 84056, 105070, 114646, 120680, 136196, 163780, 170245, 210140, 229292, 238343, 272392, 286615, 327560, 340490, 420280, 458584, 476686, 573230, 646931, 680980, 953372, 1146460, 1191715, 1293862, 1361960, 1906744, 2292920, 2383430, 2587724, 3234655, 4528517, 4766860, 5175448, 6469310, 9057034, 9533720, 12938620, 18114068, 22642585, 25877240, 36228136, 45285170, 90570340, 181140680]

約数ペア:

[(1, 181140680), (2, 90570340), (4, 45285170), (5, 36228136), (7, 25877240), (8, 22642585), (10, 18114068), (14, 12938620), (19, 9533720), (20, 9057034), (28, 6469310), (35, 5175448), (38, 4766860), (40, 4528517), (56, 3234655), (70, 2587724), (76, 2383430), (79, 2292920), (95, 1906744), (133, 1361960), (140, 1293862), (152, 1191715), (158, 1146460), (190, 953372), (266, 680980), (280, 646931), (316, 573230), (380, 476686), (395, 458584), (431, 420280), (532, 340490), (553, 327560), (632, 286615), (665, 272392), (760, 238343), (790, 229292), (862, 210140), (1064, 170245), (1106, 163780), (1330, 136196), (1501, 120680), (1580, 114646), (1724, 105070), (2155, 84056), (2212, 81890), (2660, 68098), (2765, 65512), (3002, 60340), (3017, 60040), (3160, 57323), (3448, 52535), (4310, 42028), (4424, 40945), (5320, 34049), (5530, 32756), (6004, 30170), (6034, 30020), (7505, 24136), (8189, 22120), (8620, 21014), (10507, 17240), (11060, 16378), (12008, 15085), (12068, 15010)]