220494720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2864

約数の個数: 128

約数和(自身を含む): 720226080

約数和(自身を除く): 499731360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 2801, 3280, 3936, 4920, 5248, 5602, 6560, 7872, 8403, 9840, 11204, 13120, 14005, 15744, 16806, 19680, 22408, 26240, 28010, 33612, 39360, 42015, 44816, 56020, 67224, 78720, 84030, 89632, 112040, 114841, 134448, 168060, 179264, 224080, 229682, 268896, 336120, 344523, 358528, 448160, 459364, 537792, 574205, 672240, 689046, 896320, 918728, 1075584, 1148410, 1344480, 1378092, 1722615, 1792640, 1837456, 2296820, 2688960, 2756184, 3445230, 3674912, 4593640, 5377920, 5512368, 6890460, 7349824, 9187280, 11024736, 13780920, 14699648, 18374560, 22049472, 27561840, 36749120, 44098944, 55123680, 73498240, 110247360, 220494720]

約数ペア:

[(1, 220494720), (2, 110247360), (3, 73498240), (4, 55123680), (5, 44098944), (6, 36749120), (8, 27561840), (10, 22049472), (12, 18374560), (15, 14699648), (16, 13780920), (20, 11024736), (24, 9187280), (30, 7349824), (32, 6890460), (40, 5512368), (41, 5377920), (48, 4593640), (60, 3674912), (64, 3445230), (80, 2756184), (82, 2688960), (96, 2296820), (120, 1837456), (123, 1792640), (128, 1722615), (160, 1378092), (164, 1344480), (192, 1148410), (205, 1075584), (240, 918728), (246, 896320), (320, 689046), (328, 672240), (384, 574205), (410, 537792), (480, 459364), (492, 448160), (615, 358528), (640, 344523), (656, 336120), (820, 268896), (960, 229682), (984, 224080), (1230, 179264), (1312, 168060), (1640, 134448), (1920, 114841), (1968, 112040), (2460, 89632), (2624, 84030), (2801, 78720), (3280, 67224), (3936, 56020), (4920, 44816), (5248, 42015), (5602, 39360), (6560, 33612), (7872, 28010), (8403, 26240), (9840, 22408), (11204, 19680), (13120, 16806), (14005, 15744)]