1245304720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 160

約数和(自身を含む): 3291217920

約数和(自身を除く): 2045913200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 191, 220, 239, 248, 310, 341, 382, 440, 478, 496, 620, 682, 764, 880, 955, 956, 1195, 1240, 1364, 1528, 1705, 1910, 1912, 2101, 2390, 2480, 2629, 2728, 3056, 3410, 3820, 3824, 4202, 4780, 5258, 5456, 5921, 6820, 7409, 7640, 8404, 9560, 10505, 10516, 11842, 13145, 13640, 14818, 15280, 16808, 19120, 21010, 21032, 23684, 26290, 27280, 29605, 29636, 33616, 37045, 42020, 42064, 45649, 47368, 52580, 59210, 59272, 65131, 74090, 81499, 84040, 91298, 94736, 105160, 118420, 118544, 130262, 148180, 162998, 168080, 182596, 210320, 228245, 236840, 260524, 296360, 325655, 325996, 365192, 407495, 456490, 473680, 502139, 521048, 592720, 651310, 651992, 730384, 814990, 912980, 1004278, 1042096, 1302620, 1303984, 1415119, 1629980, 1825960, 2008556, 2510695, 2605240, 2830238, 3259960, 3651920, 4017112, 5021390, 5210480, 5660476, 6519920, 7075595, 8034224, 10042780, 11320952, 14151190, 15566309, 20085560, 22641904, 28302380, 31132618, 40171120, 56604760, 62265236, 77831545, 113209520, 124530472, 155663090, 249060944, 311326180, 622652360, 1245304720]

約数ペア:

[(1, 1245304720), (2, 622652360), (4, 311326180), (5, 249060944), (8, 155663090), (10, 124530472), (11, 113209520), (16, 77831545), (20, 62265236), (22, 56604760), (31, 40171120), (40, 31132618), (44, 28302380), (55, 22641904), (62, 20085560), (80, 15566309), (88, 14151190), (110, 11320952), (124, 10042780), (155, 8034224), (176, 7075595), (191, 6519920), (220, 5660476), (239, 5210480), (248, 5021390), (310, 4017112), (341, 3651920), (382, 3259960), (440, 2830238), (478, 2605240), (496, 2510695), (620, 2008556), (682, 1825960), (764, 1629980), (880, 1415119), (955, 1303984), (956, 1302620), (1195, 1042096), (1240, 1004278), (1364, 912980), (1528, 814990), (1705, 730384), (1910, 651992), (1912, 651310), (2101, 592720), (2390, 521048), (2480, 502139), (2629, 473680), (2728, 456490), (3056, 407495), (3410, 365192), (3820, 325996), (3824, 325655), (4202, 296360), (4780, 260524), (5258, 236840), (5456, 228245), (5921, 210320), (6820, 182596), (7409, 168080), (7640, 162998), (8404, 148180), (9560, 130262), (10505, 118544), (10516, 118420), (11842, 105160), (13145, 94736), (13640, 91298), (14818, 84040), (15280, 81499), (16808, 74090), (19120, 65131), (21010, 59272), (21032, 59210), (23684, 52580), (26290, 47368), (27280, 45649), (29605, 42064), (29636, 42020), (33616, 37045)]