620394880

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 192

約数和(自身を含む): 1755362880

約数和(自身を除く): 1134968000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 128, 140, 146, 160, 196, 224, 245, 271, 280, 292, 320, 365, 392, 448, 490, 511, 542, 560, 584, 640, 730, 784, 896, 980, 1022, 1084, 1120, 1168, 1355, 1460, 1568, 1897, 1960, 2044, 2168, 2240, 2336, 2555, 2710, 2920, 3136, 3577, 3794, 3920, 4088, 4336, 4480, 4672, 5110, 5420, 5840, 6272, 7154, 7588, 7840, 8176, 8672, 9344, 9485, 10220, 10840, 11680, 13279, 14308, 15176, 15680, 16352, 17344, 17885, 18970, 19783, 20440, 21680, 23360, 26558, 28616, 30352, 31360, 32704, 34688, 35770, 37940, 39566, 40880, 43360, 46720, 53116, 57232, 60704, 65408, 66395, 71540, 75880, 79132, 81760, 86720, 98915, 106232, 114464, 121408, 132790, 138481, 143080, 151760, 158264, 163520, 173440, 197830, 212464, 228928, 242816, 265580, 276962, 286160, 303520, 316528, 327040, 395660, 424928, 457856, 531160, 553924, 572320, 607040, 633056, 692405, 791320, 849856, 969367, 1062320, 1107848, 1144640, 1214080, 1266112, 1384810, 1582640, 1699712, 1938734, 2124640, 2215696, 2289280, 2532224, 2769620, 3165280, 3877468, 4249280, 4431392, 4846835, 5539240, 6330560, 7754936, 8498560, 8862784, 9693670, 11078480, 12661120, 15509872, 17725568, 19387340, 22156960, 31019744, 38774680, 44313920, 62039488, 77549360, 88627840, 124078976, 155098720, 310197440, 620394880]

約数ペア:

[(1, 620394880), (2, 310197440), (4, 155098720), (5, 124078976), (7, 88627840), (8, 77549360), (10, 62039488), (14, 44313920), (16, 38774680), (20, 31019744), (28, 22156960), (32, 19387340), (35, 17725568), (40, 15509872), (49, 12661120), (56, 11078480), (64, 9693670), (70, 8862784), (73, 8498560), (80, 7754936), (98, 6330560), (112, 5539240), (128, 4846835), (140, 4431392), (146, 4249280), (160, 3877468), (196, 3165280), (224, 2769620), (245, 2532224), (271, 2289280), (280, 2215696), (292, 2124640), (320, 1938734), (365, 1699712), (392, 1582640), (448, 1384810), (490, 1266112), (511, 1214080), (542, 1144640), (560, 1107848), (584, 1062320), (640, 969367), (730, 849856), (784, 791320), (896, 692405), (980, 633056), (1022, 607040), (1084, 572320), (1120, 553924), (1168, 531160), (1355, 457856), (1460, 424928), (1568, 395660), (1897, 327040), (1960, 316528), (2044, 303520), (2168, 286160), (2240, 276962), (2336, 265580), (2555, 242816), (2710, 228928), (2920, 212464), (3136, 197830), (3577, 173440), (3794, 163520), (3920, 158264), (4088, 151760), (4336, 143080), (4480, 138481), (4672, 132790), (5110, 121408), (5420, 114464), (5840, 106232), (6272, 98915), (7154, 86720), (7588, 81760), (7840, 79132), (8176, 75880), (8672, 71540), (9344, 66395), (9485, 65408), (10220, 60704), (10840, 57232), (11680, 53116), (13279, 46720), (14308, 43360), (15176, 40880), (15680, 39566), (16352, 37940), (17344, 35770), (17885, 34688), (18970, 32704), (19783, 31360), (20440, 30352), (21680, 28616), (23360, 26558)]