321568940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 909232128

約数和(自身を除く): 587663188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 71, 77, 85, 110, 119, 140, 142, 154, 170, 173, 187, 220, 238, 284, 308, 340, 346, 355, 374, 385, 476, 497, 595, 692, 710, 748, 770, 781, 865, 935, 994, 1190, 1207, 1211, 1309, 1420, 1540, 1562, 1730, 1870, 1903, 1988, 2380, 2414, 2422, 2485, 2618, 2941, 3124, 3460, 3740, 3806, 3905, 4828, 4844, 4970, 5236, 5467, 5882, 6035, 6055, 6545, 7612, 7810, 8449, 9515, 9940, 10934, 11764, 12070, 12110, 12283, 13090, 13277, 13321, 14705, 15620, 16898, 19030, 20587, 21868, 24140, 24220, 24566, 26180, 26554, 26642, 27335, 29410, 32351, 33796, 38060, 41174, 42245, 49132, 53108, 53284, 54670, 58820, 61415, 64702, 66385, 66605, 82348, 84490, 85981, 92939, 102935, 109340, 122830, 129404, 132770, 133210, 135113, 161755, 168980, 171962, 185878, 205870, 208811, 226457, 245660, 265540, 266420, 270226, 323510, 343924, 371756, 411740, 417622, 429905, 452914, 464695, 540452, 647020, 675565, 835244, 859810, 905828, 929390, 945791, 1044055, 1132285, 1351130, 1461677, 1719620, 1858780, 1891582, 2088110, 2264570, 2296921, 2702260, 2923354, 3783164, 4176220, 4529140, 4593842, 4728955, 5846708, 7308385, 9187684, 9457910, 11484605, 14616770, 16078447, 18915820, 22969210, 29233540, 32156894, 45938420, 64313788, 80392235, 160784470, 321568940]

約数ペア:

[(1, 321568940), (2, 160784470), (4, 80392235), (5, 64313788), (7, 45938420), (10, 32156894), (11, 29233540), (14, 22969210), (17, 18915820), (20, 16078447), (22, 14616770), (28, 11484605), (34, 9457910), (35, 9187684), (44, 7308385), (55, 5846708), (68, 4728955), (70, 4593842), (71, 4529140), (77, 4176220), (85, 3783164), (110, 2923354), (119, 2702260), (140, 2296921), (142, 2264570), (154, 2088110), (170, 1891582), (173, 1858780), (187, 1719620), (220, 1461677), (238, 1351130), (284, 1132285), (308, 1044055), (340, 945791), (346, 929390), (355, 905828), (374, 859810), (385, 835244), (476, 675565), (497, 647020), (595, 540452), (692, 464695), (710, 452914), (748, 429905), (770, 417622), (781, 411740), (865, 371756), (935, 343924), (994, 323510), (1190, 270226), (1207, 266420), (1211, 265540), (1309, 245660), (1420, 226457), (1540, 208811), (1562, 205870), (1730, 185878), (1870, 171962), (1903, 168980), (1988, 161755), (2380, 135113), (2414, 133210), (2422, 132770), (2485, 129404), (2618, 122830), (2941, 109340), (3124, 102935), (3460, 92939), (3740, 85981), (3806, 84490), (3905, 82348), (4828, 66605), (4844, 66385), (4970, 64702), (5236, 61415), (5467, 58820), (5882, 54670), (6035, 53284), (6055, 53108), (6545, 49132), (7612, 42245), (7810, 41174), (8449, 38060), (9515, 33796), (9940, 32351), (10934, 29410), (11764, 27335), (12070, 26642), (12110, 26554), (12283, 26180), (13090, 24566), (13277, 24220), (13321, 24140), (14705, 21868), (15620, 20587), (16898, 19030)]