80989740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 276595200

約数和(自身を除く): 195605460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 83, 90, 108, 117, 130, 135, 139, 156, 166, 180, 195, 234, 249, 260, 270, 278, 332, 351, 390, 415, 417, 468, 498, 540, 556, 585, 695, 702, 747, 780, 830, 834, 996, 1079, 1170, 1245, 1251, 1390, 1404, 1494, 1660, 1668, 1755, 1807, 2085, 2158, 2241, 2340, 2490, 2502, 2780, 2988, 3237, 3510, 3614, 3735, 3753, 4170, 4316, 4482, 4980, 5004, 5395, 5421, 6255, 6474, 7020, 7228, 7470, 7506, 8340, 8964, 9035, 9711, 10790, 10842, 11205, 11537, 12510, 12948, 14940, 15012, 16185, 16263, 18070, 18765, 19422, 21580, 21684, 22410, 23074, 25020, 27105, 29133, 32370, 32526, 34611, 36140, 37530, 38844, 44820, 46148, 48555, 48789, 54210, 57685, 58266, 64740, 65052, 69222, 75060, 81315, 97110, 97578, 103833, 108420, 115370, 116532, 138444, 145665, 149981, 162630, 173055, 194220, 195156, 207666, 230740, 243945, 291330, 299962, 311499, 325260, 346110, 415332, 449943, 487890, 519165, 582660, 599924, 622998, 692220, 749905, 899886, 975780, 1038330, 1245996, 1349829, 1499810, 1557495, 1799772, 2076660, 2249715, 2699658, 2999620, 3114990, 4049487, 4499430, 5399316, 6229980, 6749145, 8098974, 8998860, 13498290, 16197948, 20247435, 26996580, 40494870, 80989740]

約数ペア:

[(1, 80989740), (2, 40494870), (3, 26996580), (4, 20247435), (5, 16197948), (6, 13498290), (9, 8998860), (10, 8098974), (12, 6749145), (13, 6229980), (15, 5399316), (18, 4499430), (20, 4049487), (26, 3114990), (27, 2999620), (30, 2699658), (36, 2249715), (39, 2076660), (45, 1799772), (52, 1557495), (54, 1499810), (60, 1349829), (65, 1245996), (78, 1038330), (83, 975780), (90, 899886), (108, 749905), (117, 692220), (130, 622998), (135, 599924), (139, 582660), (156, 519165), (166, 487890), (180, 449943), (195, 415332), (234, 346110), (249, 325260), (260, 311499), (270, 299962), (278, 291330), (332, 243945), (351, 230740), (390, 207666), (415, 195156), (417, 194220), (468, 173055), (498, 162630), (540, 149981), (556, 145665), (585, 138444), (695, 116532), (702, 115370), (747, 108420), (780, 103833), (830, 97578), (834, 97110), (996, 81315), (1079, 75060), (1170, 69222), (1245, 65052), (1251, 64740), (1390, 58266), (1404, 57685), (1494, 54210), (1660, 48789), (1668, 48555), (1755, 46148), (1807, 44820), (2085, 38844), (2158, 37530), (2241, 36140), (2340, 34611), (2490, 32526), (2502, 32370), (2780, 29133), (2988, 27105), (3237, 25020), (3510, 23074), (3614, 22410), (3735, 21684), (3753, 21580), (4170, 19422), (4316, 18765), (4482, 18070), (4980, 16263), (5004, 16185), (5395, 15012), (5421, 14940), (6255, 12948), (6474, 12510), (7020, 11537), (7228, 11205), (7470, 10842), (7506, 10790), (8340, 9711), (8964, 9035)]