1720831266

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 192

約数和(自身を含む): 4852703232

約数和(自身を除く): 3131871966

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 31, 33, 42, 62, 63, 66, 77, 93, 99, 121, 126, 154, 186, 198, 217, 231, 242, 279, 331, 341, 363, 434, 462, 558, 651, 662, 682, 693, 726, 847, 993, 1023, 1089, 1302, 1331, 1386, 1694, 1953, 1986, 2046, 2178, 2317, 2387, 2541, 2662, 2979, 3069, 3641, 3751, 3906, 3993, 4634, 4774, 5082, 5958, 6138, 6951, 7161, 7282, 7502, 7623, 7986, 9317, 10261, 10923, 11253, 11979, 13902, 14322, 15246, 18634, 20522, 20853, 21483, 21846, 22506, 23958, 25487, 26257, 27951, 30783, 32769, 33759, 40051, 41261, 41706, 42966, 50974, 52514, 55902, 61566, 65538, 67518, 71827, 76461, 78771, 80102, 82522, 83853, 92349, 112871, 120153, 123783, 143654, 152922, 157542, 167706, 184698, 215481, 225742, 229383, 236313, 240306, 247566, 280357, 288827, 338613, 360459, 371349, 430962, 440561, 458766, 472626, 560714, 577654, 646443, 677226, 720918, 742698, 790097, 841071, 866481, 881122, 1015839, 1241581, 1292886, 1321683, 1580194, 1682142, 1732962, 2031678, 2370291, 2483162, 2523213, 2599443, 2643366, 3083927, 3724743, 3965049, 4740582, 5046426, 5198886, 6167854, 7110873, 7449486, 7930098, 8691067, 9251781, 11174229, 13657391, 14221746, 17382134, 18503562, 22348458, 26073201, 27314782, 27755343, 40972173, 52146402, 55510686, 78219603, 81944346, 95601737, 122916519, 156439206, 191203474, 245833038, 286805211, 573610422, 860415633, 1720831266]

約数ペア:

[(1, 1720831266), (2, 860415633), (3, 573610422), (6, 286805211), (7, 245833038), (9, 191203474), (11, 156439206), (14, 122916519), (18, 95601737), (21, 81944346), (22, 78219603), (31, 55510686), (33, 52146402), (42, 40972173), (62, 27755343), (63, 27314782), (66, 26073201), (77, 22348458), (93, 18503562), (99, 17382134), (121, 14221746), (126, 13657391), (154, 11174229), (186, 9251781), (198, 8691067), (217, 7930098), (231, 7449486), (242, 7110873), (279, 6167854), (331, 5198886), (341, 5046426), (363, 4740582), (434, 3965049), (462, 3724743), (558, 3083927), (651, 2643366), (662, 2599443), (682, 2523213), (693, 2483162), (726, 2370291), (847, 2031678), (993, 1732962), (1023, 1682142), (1089, 1580194), (1302, 1321683), (1331, 1292886), (1386, 1241581), (1694, 1015839), (1953, 881122), (1986, 866481), (2046, 841071), (2178, 790097), (2317, 742698), (2387, 720918), (2541, 677226), (2662, 646443), (2979, 577654), (3069, 560714), (3641, 472626), (3751, 458766), (3906, 440561), (3993, 430962), (4634, 371349), (4774, 360459), (5082, 338613), (5958, 288827), (6138, 280357), (6951, 247566), (7161, 240306), (7282, 236313), (7502, 229383), (7623, 225742), (7986, 215481), (9317, 184698), (10261, 167706), (10923, 157542), (11253, 152922), (11979, 143654), (13902, 123783), (14322, 120153), (15246, 112871), (18634, 92349), (20522, 83853), (20853, 82522), (21483, 80102), (21846, 78771), (22506, 76461), (23958, 71827), (25487, 67518), (26257, 65538), (27951, 61566), (30783, 55902), (32769, 52514), (33759, 50974), (40051, 42966), (41261, 41706)]