61998720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{659}}^1$

素因数の和:695

約数の個数: 192

約数和(自身を含む): 230234400

約数和(自身を除く): 168235680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 659, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1318, 1344, 1470, 1568, 1680, 1920, 1960, 1977, 2240, 2352, 2636, 2688, 2940, 3136, 3295, 3360, 3920, 3954, 4480, 4613, 4704, 5272, 5880, 6272, 6590, 6720, 7840, 7908, 9226, 9408, 9885, 10544, 11760, 13180, 13440, 13839, 15680, 15816, 18452, 18816, 19770, 21088, 23065, 23520, 26360, 27678, 31360, 31632, 32291, 36904, 39540, 42176, 46130, 47040, 52720, 55356, 63264, 64582, 69195, 73808, 79080, 84352, 92260, 94080, 96873, 105440, 110712, 126528, 129164, 138390, 147616, 158160, 161455, 184520, 193746, 210880, 221424, 253056, 258328, 276780, 295232, 316320, 322910, 369040, 387492, 421760, 442848, 484365, 516656, 553560, 590464, 632640, 645820, 738080, 774984, 885696, 968730, 1033312, 1107120, 1265280, 1291640, 1476160, 1549968, 1771392, 1937460, 2066624, 2214240, 2583280, 2952320, 3099936, 3874920, 4133248, 4428480, 5166560, 6199872, 7749840, 8856960, 10333120, 12399744, 15499680, 20666240, 30999360, 61998720]

約数ペア:

[(1, 61998720), (2, 30999360), (3, 20666240), (4, 15499680), (5, 12399744), (6, 10333120), (7, 8856960), (8, 7749840), (10, 6199872), (12, 5166560), (14, 4428480), (15, 4133248), (16, 3874920), (20, 3099936), (21, 2952320), (24, 2583280), (28, 2214240), (30, 2066624), (32, 1937460), (35, 1771392), (40, 1549968), (42, 1476160), (48, 1291640), (49, 1265280), (56, 1107120), (60, 1033312), (64, 968730), (70, 885696), (80, 774984), (84, 738080), (96, 645820), (98, 632640), (105, 590464), (112, 553560), (120, 516656), (128, 484365), (140, 442848), (147, 421760), (160, 387492), (168, 369040), (192, 322910), (196, 316320), (210, 295232), (224, 276780), (240, 258328), (245, 253056), (280, 221424), (294, 210880), (320, 193746), (336, 184520), (384, 161455), (392, 158160), (420, 147616), (448, 138390), (480, 129164), (490, 126528), (560, 110712), (588, 105440), (640, 96873), (659, 94080), (672, 92260), (735, 84352), (784, 79080), (840, 73808), (896, 69195), (960, 64582), (980, 63264), (1120, 55356), (1176, 52720), (1318, 47040), (1344, 46130), (1470, 42176), (1568, 39540), (1680, 36904), (1920, 32291), (1960, 31632), (1977, 31360), (2240, 27678), (2352, 26360), (2636, 23520), (2688, 23065), (2940, 21088), (3136, 19770), (3295, 18816), (3360, 18452), (3920, 15816), (3954, 15680), (4480, 13839), (4613, 13440), (4704, 13180), (5272, 11760), (5880, 10544), (6272, 9885), (6590, 9408), (6720, 9226), (7840, 7908)]