16878780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 55770624

約数和(自身を除く): 38891844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 151, 162, 180, 207, 230, 243, 270, 276, 302, 324, 345, 405, 414, 453, 460, 486, 540, 604, 621, 690, 755, 810, 828, 906, 972, 1035, 1215, 1242, 1359, 1380, 1510, 1620, 1812, 1863, 2070, 2265, 2430, 2484, 2718, 3020, 3105, 3473, 3726, 4077, 4140, 4530, 4860, 5436, 5589, 6210, 6795, 6946, 7452, 8154, 9060, 9315, 10419, 11178, 12231, 12420, 13590, 13892, 16308, 17365, 18630, 20385, 20838, 22356, 24462, 27180, 27945, 31257, 34730, 36693, 37260, 40770, 41676, 48924, 52095, 55890, 61155, 62514, 69460, 73386, 81540, 93771, 104190, 111780, 122310, 125028, 146772, 156285, 183465, 187542, 208380, 244620, 281313, 312570, 366930, 375084, 468855, 562626, 625140, 733860, 843939, 937710, 1125252, 1406565, 1687878, 1875420, 2813130, 3375756, 4219695, 5626260, 8439390, 16878780]

約数ペア:

[(1, 16878780), (2, 8439390), (3, 5626260), (4, 4219695), (5, 3375756), (6, 2813130), (9, 1875420), (10, 1687878), (12, 1406565), (15, 1125252), (18, 937710), (20, 843939), (23, 733860), (27, 625140), (30, 562626), (36, 468855), (45, 375084), (46, 366930), (54, 312570), (60, 281313), (69, 244620), (81, 208380), (90, 187542), (92, 183465), (108, 156285), (115, 146772), (135, 125028), (138, 122310), (151, 111780), (162, 104190), (180, 93771), (207, 81540), (230, 73386), (243, 69460), (270, 62514), (276, 61155), (302, 55890), (324, 52095), (345, 48924), (405, 41676), (414, 40770), (453, 37260), (460, 36693), (486, 34730), (540, 31257), (604, 27945), (621, 27180), (690, 24462), (755, 22356), (810, 20838), (828, 20385), (906, 18630), (972, 17365), (1035, 16308), (1215, 13892), (1242, 13590), (1359, 12420), (1380, 12231), (1510, 11178), (1620, 10419), (1812, 9315), (1863, 9060), (2070, 8154), (2265, 7452), (2430, 6946), (2484, 6795), (2718, 6210), (3020, 5589), (3105, 5436), (3473, 4860), (3726, 4530), (4077, 4140)]