81216316160

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{31583}}^1$

素因数の和:31659

約数の個数: 216

約数和(自身を含む): 231826686336

約数和(自身を除く): 150610370176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 128, 140, 160, 164, 196, 205, 224, 245, 256, 280, 287, 320, 328, 392, 410, 448, 490, 560, 574, 640, 656, 784, 820, 896, 980, 1120, 1148, 1280, 1312, 1435, 1568, 1640, 1792, 1960, 2009, 2240, 2296, 2624, 2870, 3136, 3280, 3920, 4018, 4480, 4592, 5248, 5740, 6272, 6560, 7840, 8036, 8960, 9184, 10045, 10496, 11480, 12544, 13120, 15680, 16072, 18368, 20090, 22960, 26240, 31360, 31583, 32144, 36736, 40180, 45920, 52480, 62720, 63166, 64288, 73472, 80360, 91840, 126332, 128576, 157915, 160720, 183680, 221081, 252664, 257152, 315830, 321440, 367360, 442162, 505328, 514304, 631660, 642880, 884324, 1010656, 1105405, 1263320, 1285760, 1294903, 1547567, 1768648, 2021312, 2210810, 2526640, 2571520, 2589806, 3095134, 3537296, 4042624, 4421620, 5053280, 5179612, 6190268, 6474515, 7074592, 7737835, 8085248, 8843240, 9064321, 10106560, 10359224, 12380536, 12949030, 14149184, 15475670, 17686480, 18128642, 20213120, 20718448, 24761072, 25898060, 28298368, 30951340, 35372960, 36257284, 40426240, 41436896, 45321605, 49522144, 51796120, 56596736, 61902680, 63450247, 70745920, 72514568, 82873792, 90643210, 99044288, 103592240, 123805360, 126900494, 141491840, 145029136, 165747584, 181286420, 198088576, 207184480, 247610720, 253800988, 282983680, 290058272, 317251235, 331495168, 362572840, 396177152, 414368960, 495221440, 507601976, 580116544, 634502470, 725145680, 828737920, 990442880, 1015203952, 1160233088, 1269004940, 1450291360, 1657475840, 1980885760, 2030407904, 2320466176, 2538009880, 2900582720, 4060815808, 5076019760, 5801165440, 8121631616, 10152039520, 11602330880, 16243263232, 20304079040, 40608158080, 81216316160]

約数ペア:

[(1, 81216316160), (2, 40608158080), (4, 20304079040), (5, 16243263232), (7, 11602330880), (8, 10152039520), (10, 8121631616), (14, 5801165440), (16, 5076019760), (20, 4060815808), (28, 2900582720), (32, 2538009880), (35, 2320466176), (40, 2030407904), (41, 1980885760), (49, 1657475840), (56, 1450291360), (64, 1269004940), (70, 1160233088), (80, 1015203952), (82, 990442880), (98, 828737920), (112, 725145680), (128, 634502470), (140, 580116544), (160, 507601976), (164, 495221440), (196, 414368960), (205, 396177152), (224, 362572840), (245, 331495168), (256, 317251235), (280, 290058272), (287, 282983680), (320, 253800988), (328, 247610720), (392, 207184480), (410, 198088576), (448, 181286420), (490, 165747584), (560, 145029136), (574, 141491840), (640, 126900494), (656, 123805360), (784, 103592240), (820, 99044288), (896, 90643210), (980, 82873792), (1120, 72514568), (1148, 70745920), (1280, 63450247), (1312, 61902680), (1435, 56596736), (1568, 51796120), (1640, 49522144), (1792, 45321605), (1960, 41436896), (2009, 40426240), (2240, 36257284), (2296, 35372960), (2624, 30951340), (2870, 28298368), (3136, 25898060), (3280, 24761072), (3920, 20718448), (4018, 20213120), (4480, 18128642), (4592, 17686480), (5248, 15475670), (5740, 14149184), (6272, 12949030), (6560, 12380536), (7840, 10359224), (8036, 10106560), (8960, 9064321), (9184, 8843240), (10045, 8085248), (10496, 7737835), (11480, 7074592), (12544, 6474515), (13120, 6190268), (15680, 5179612), (16072, 5053280), (18368, 4421620), (20090, 4042624), (22960, 3537296), (26240, 3095134), (31360, 2589806), (31583, 2571520), (32144, 2526640), (36736, 2210810), (40180, 2021312), (45920, 1768648), (52480, 1547567), (62720, 1294903), (63166, 1285760), (64288, 1263320), (73472, 1105405), (80360, 1010656), (91840, 884324), (126332, 642880), (128576, 631660), (157915, 514304), (160720, 505328), (183680, 442162), (221081, 367360), (252664, 321440), (257152, 315830)]