28815120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1341

約数の個数: 120

約数和(自身を含む): 99969792

約数和(自身を除く): 71154672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1291, 1395, 1488, 1860, 2232, 2480, 2582, 2790, 3720, 3873, 4464, 5164, 5580, 6455, 7440, 7746, 10328, 11160, 11619, 12910, 15492, 19365, 20656, 22320, 23238, 25820, 30984, 38730, 40021, 46476, 51640, 58095, 61968, 77460, 80042, 92952, 103280, 116190, 120063, 154920, 160084, 185904, 200105, 232380, 240126, 309840, 320168, 360189, 400210, 464760, 480252, 600315, 640336, 720378, 800420, 929520, 960504, 1200630, 1440756, 1600840, 1800945, 1921008, 2401260, 2881512, 3201680, 3601890, 4802520, 5763024, 7203780, 9605040, 14407560, 28815120]

約数ペア:

[(1, 28815120), (2, 14407560), (3, 9605040), (4, 7203780), (5, 5763024), (6, 4802520), (8, 3601890), (9, 3201680), (10, 2881512), (12, 2401260), (15, 1921008), (16, 1800945), (18, 1600840), (20, 1440756), (24, 1200630), (30, 960504), (31, 929520), (36, 800420), (40, 720378), (45, 640336), (48, 600315), (60, 480252), (62, 464760), (72, 400210), (80, 360189), (90, 320168), (93, 309840), (120, 240126), (124, 232380), (144, 200105), (155, 185904), (180, 160084), (186, 154920), (240, 120063), (248, 116190), (279, 103280), (310, 92952), (360, 80042), (372, 77460), (465, 61968), (496, 58095), (558, 51640), (620, 46476), (720, 40021), (744, 38730), (930, 30984), (1116, 25820), (1240, 23238), (1291, 22320), (1395, 20656), (1488, 19365), (1860, 15492), (2232, 12910), (2480, 11619), (2582, 11160), (2790, 10328), (3720, 7746), (3873, 7440), (4464, 6455), (5164, 5580)]