157818780

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{4639}}^1$

素因数の和:4670

約数の個数: 144

約数和(自身を含む): 567490560

約数和(自身を除く): 409671780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4639, 4860, 5670, 6804, 8505, 9278, 11340, 13917, 17010, 18556, 23195, 27834, 32473, 34020, 41751, 46390, 55668, 64946, 69585, 83502, 92780, 97419, 125253, 129892, 139170, 162365, 167004, 194838, 208755, 250506, 278340, 292257, 324730, 375759, 389676, 417510, 487095, 501012, 584514, 626265, 649460, 751518, 835020, 876771, 974190, 1127277, 1169028, 1252530, 1461285, 1503036, 1753542, 1878795, 1948380, 2254554, 2505060, 2630313, 2922570, 3507084, 3757590, 4383855, 4509108, 5260626, 5636385, 5845140, 7515180, 7890939, 8767710, 10521252, 11272770, 13151565, 15781878, 17535420, 22545540, 26303130, 31563756, 39454695, 52606260, 78909390, 157818780]

約数ペア:

[(1, 157818780), (2, 78909390), (3, 52606260), (4, 39454695), (5, 31563756), (6, 26303130), (7, 22545540), (9, 17535420), (10, 15781878), (12, 13151565), (14, 11272770), (15, 10521252), (18, 8767710), (20, 7890939), (21, 7515180), (27, 5845140), (28, 5636385), (30, 5260626), (35, 4509108), (36, 4383855), (42, 3757590), (45, 3507084), (54, 2922570), (60, 2630313), (63, 2505060), (70, 2254554), (81, 1948380), (84, 1878795), (90, 1753542), (105, 1503036), (108, 1461285), (126, 1252530), (135, 1169028), (140, 1127277), (162, 974190), (180, 876771), (189, 835020), (210, 751518), (243, 649460), (252, 626265), (270, 584514), (315, 501012), (324, 487095), (378, 417510), (405, 389676), (420, 375759), (486, 324730), (540, 292257), (567, 278340), (630, 250506), (756, 208755), (810, 194838), (945, 167004), (972, 162365), (1134, 139170), (1215, 129892), (1260, 125253), (1620, 97419), (1701, 92780), (1890, 83502), (2268, 69585), (2430, 64946), (2835, 55668), (3402, 46390), (3780, 41751), (4639, 34020), (4860, 32473), (5670, 27834), (6804, 23195), (8505, 18556), (9278, 17010), (11340, 13917)]