220915920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1361

約数の個数: 160

約数和(自身を含む): 738238464

約数和(自身を除く): 517322544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 240, 248, 276, 310, 345, 368, 372, 460, 465, 496, 552, 620, 690, 713, 744, 920, 930, 1104, 1240, 1291, 1380, 1426, 1488, 1840, 1860, 2139, 2480, 2582, 2760, 2852, 3565, 3720, 3873, 4278, 5164, 5520, 5704, 6455, 7130, 7440, 7746, 8556, 10328, 10695, 11408, 12910, 14260, 15492, 17112, 19365, 20656, 21390, 25820, 28520, 29693, 30984, 34224, 38730, 40021, 42780, 51640, 57040, 59386, 61968, 77460, 80042, 85560, 89079, 103280, 118772, 120063, 148465, 154920, 160084, 171120, 178158, 200105, 237544, 240126, 296930, 309840, 320168, 356316, 400210, 445395, 475088, 480252, 593860, 600315, 640336, 712632, 800420, 890790, 920483, 960504, 1187720, 1200630, 1425264, 1600840, 1781580, 1840966, 1921008, 2375440, 2401260, 2761449, 3201680, 3563160, 3681932, 4602415, 4802520, 5522898, 7126320, 7363864, 9204830, 9605040, 11045796, 13807245, 14727728, 18409660, 22091592, 27614490, 36819320, 44183184, 55228980, 73638640, 110457960, 220915920]

約数ペア:

[(1, 220915920), (2, 110457960), (3, 73638640), (4, 55228980), (5, 44183184), (6, 36819320), (8, 27614490), (10, 22091592), (12, 18409660), (15, 14727728), (16, 13807245), (20, 11045796), (23, 9605040), (24, 9204830), (30, 7363864), (31, 7126320), (40, 5522898), (46, 4802520), (48, 4602415), (60, 3681932), (62, 3563160), (69, 3201680), (80, 2761449), (92, 2401260), (93, 2375440), (115, 1921008), (120, 1840966), (124, 1781580), (138, 1600840), (155, 1425264), (184, 1200630), (186, 1187720), (230, 960504), (240, 920483), (248, 890790), (276, 800420), (310, 712632), (345, 640336), (368, 600315), (372, 593860), (460, 480252), (465, 475088), (496, 445395), (552, 400210), (620, 356316), (690, 320168), (713, 309840), (744, 296930), (920, 240126), (930, 237544), (1104, 200105), (1240, 178158), (1291, 171120), (1380, 160084), (1426, 154920), (1488, 148465), (1840, 120063), (1860, 118772), (2139, 103280), (2480, 89079), (2582, 85560), (2760, 80042), (2852, 77460), (3565, 61968), (3720, 59386), (3873, 57040), (4278, 51640), (5164, 42780), (5520, 40021), (5704, 38730), (6455, 34224), (7130, 30984), (7440, 29693), (7746, 28520), (8556, 25820), (10328, 21390), (10695, 20656), (11408, 19365), (12910, 17112), (14260, 15492)]