1813778880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:787

約数の個数: 224

約数和(自身を含む): 5986759680

約数和(自身を除く): 4172980800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 61, 64, 80, 94, 96, 120, 122, 141, 160, 183, 188, 192, 235, 240, 244, 282, 305, 320, 366, 376, 470, 480, 488, 564, 610, 659, 705, 732, 752, 915, 940, 960, 976, 1128, 1220, 1318, 1410, 1464, 1504, 1830, 1880, 1952, 1977, 2256, 2440, 2636, 2820, 2867, 2928, 3008, 3295, 3660, 3760, 3904, 3954, 4512, 4880, 5272, 5640, 5734, 5856, 6590, 7320, 7520, 7908, 8601, 9024, 9760, 9885, 10544, 11280, 11468, 11712, 13180, 14335, 14640, 15040, 15816, 17202, 19520, 19770, 21088, 22560, 22936, 26360, 28670, 29280, 30973, 31632, 34404, 39540, 40199, 42176, 43005, 45120, 45872, 52720, 57340, 58560, 61946, 63264, 68808, 79080, 80398, 86010, 91744, 92919, 105440, 114680, 120597, 123892, 126528, 137616, 154865, 158160, 160796, 172020, 183488, 185838, 200995, 210880, 229360, 241194, 247784, 275232, 309730, 316320, 321592, 344040, 371676, 401990, 458720, 464595, 482388, 495568, 550464, 602985, 619460, 632640, 643184, 688080, 743352, 803980, 917440, 929190, 964776, 991136, 1205970, 1238920, 1286368, 1376160, 1486704, 1607960, 1858380, 1889353, 1929552, 1982272, 2411940, 2477840, 2572736, 2752320, 2973408, 3215920, 3716760, 3778706, 3859104, 4823880, 4955680, 5668059, 5946816, 6431840, 7433520, 7557412, 7718208, 9446765, 9647760, 9911360, 11336118, 12863680, 14867040, 15114824, 18893530, 19295520, 22672236, 28340295, 29734080, 30229648, 37787060, 38591040, 45344472, 56680590, 60459296, 75574120, 90688944, 113361180, 120918592, 151148240, 181377888, 226722360, 302296480, 362755776, 453444720, 604592960, 906889440, 1813778880]

約数ペア:

[(1, 1813778880), (2, 906889440), (3, 604592960), (4, 453444720), (5, 362755776), (6, 302296480), (8, 226722360), (10, 181377888), (12, 151148240), (15, 120918592), (16, 113361180), (20, 90688944), (24, 75574120), (30, 60459296), (32, 56680590), (40, 45344472), (47, 38591040), (48, 37787060), (60, 30229648), (61, 29734080), (64, 28340295), (80, 22672236), (94, 19295520), (96, 18893530), (120, 15114824), (122, 14867040), (141, 12863680), (160, 11336118), (183, 9911360), (188, 9647760), (192, 9446765), (235, 7718208), (240, 7557412), (244, 7433520), (282, 6431840), (305, 5946816), (320, 5668059), (366, 4955680), (376, 4823880), (470, 3859104), (480, 3778706), (488, 3716760), (564, 3215920), (610, 2973408), (659, 2752320), (705, 2572736), (732, 2477840), (752, 2411940), (915, 1982272), (940, 1929552), (960, 1889353), (976, 1858380), (1128, 1607960), (1220, 1486704), (1318, 1376160), (1410, 1286368), (1464, 1238920), (1504, 1205970), (1830, 991136), (1880, 964776), (1952, 929190), (1977, 917440), (2256, 803980), (2440, 743352), (2636, 688080), (2820, 643184), (2867, 632640), (2928, 619460), (3008, 602985), (3295, 550464), (3660, 495568), (3760, 482388), (3904, 464595), (3954, 458720), (4512, 401990), (4880, 371676), (5272, 344040), (5640, 321592), (5734, 316320), (5856, 309730), (6590, 275232), (7320, 247784), (7520, 241194), (7908, 229360), (8601, 210880), (9024, 200995), (9760, 185838), (9885, 183488), (10544, 172020), (11280, 160796), (11468, 158160), (11712, 154865), (13180, 137616), (14335, 126528), (14640, 123892), (15040, 120597), (15816, 114680), (17202, 105440), (19520, 92919), (19770, 91744), (21088, 86010), (22560, 80398), (22936, 79080), (26360, 68808), (28670, 63264), (29280, 61946), (30973, 58560), (31632, 57340), (34404, 52720), (39540, 45872), (40199, 45120), (42176, 43005)]