420982240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 192

約数和(自身を含む): 1217341440

約数和(自身を除く): 796359200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 73, 76, 80, 95, 112, 133, 140, 146, 152, 160, 190, 224, 266, 271, 280, 292, 304, 365, 380, 511, 532, 542, 560, 584, 608, 665, 730, 760, 1022, 1064, 1084, 1120, 1168, 1330, 1355, 1387, 1460, 1520, 1897, 2044, 2128, 2168, 2336, 2555, 2660, 2710, 2774, 2920, 3040, 3794, 4088, 4256, 4336, 5110, 5149, 5320, 5420, 5548, 5840, 6935, 7588, 8176, 8672, 9485, 9709, 10220, 10298, 10640, 10840, 11096, 11680, 13870, 15176, 16352, 18970, 19418, 19783, 20440, 20596, 21280, 21680, 22192, 25745, 27740, 30352, 36043, 37940, 38836, 39566, 40880, 41192, 43360, 44384, 48545, 51490, 55480, 60704, 72086, 75880, 77672, 79132, 81760, 82384, 97090, 98915, 102980, 110960, 138481, 144172, 151760, 155344, 158264, 164768, 180215, 194180, 197830, 205960, 221920, 276962, 288344, 303520, 310688, 316528, 360430, 375877, 388360, 395660, 411920, 553924, 576688, 633056, 692405, 720860, 751754, 776720, 791320, 823840, 1107848, 1153376, 1384810, 1441720, 1503508, 1553440, 1582640, 1879385, 2215696, 2631139, 2769620, 2883440, 3007016, 3165280, 3758770, 4431392, 5262278, 5539240, 5766880, 6014032, 7517540, 10524556, 11078480, 12028064, 13155695, 15035080, 21049112, 22156960, 26311390, 30070160, 42098224, 52622780, 60140320, 84196448, 105245560, 210491120, 420982240]

約数ペア:

[(1, 420982240), (2, 210491120), (4, 105245560), (5, 84196448), (7, 60140320), (8, 52622780), (10, 42098224), (14, 30070160), (16, 26311390), (19, 22156960), (20, 21049112), (28, 15035080), (32, 13155695), (35, 12028064), (38, 11078480), (40, 10524556), (56, 7517540), (70, 6014032), (73, 5766880), (76, 5539240), (80, 5262278), (95, 4431392), (112, 3758770), (133, 3165280), (140, 3007016), (146, 2883440), (152, 2769620), (160, 2631139), (190, 2215696), (224, 1879385), (266, 1582640), (271, 1553440), (280, 1503508), (292, 1441720), (304, 1384810), (365, 1153376), (380, 1107848), (511, 823840), (532, 791320), (542, 776720), (560, 751754), (584, 720860), (608, 692405), (665, 633056), (730, 576688), (760, 553924), (1022, 411920), (1064, 395660), (1084, 388360), (1120, 375877), (1168, 360430), (1330, 316528), (1355, 310688), (1387, 303520), (1460, 288344), (1520, 276962), (1897, 221920), (2044, 205960), (2128, 197830), (2168, 194180), (2336, 180215), (2555, 164768), (2660, 158264), (2710, 155344), (2774, 151760), (2920, 144172), (3040, 138481), (3794, 110960), (4088, 102980), (4256, 98915), (4336, 97090), (5110, 82384), (5149, 81760), (5320, 79132), (5420, 77672), (5548, 75880), (5840, 72086), (6935, 60704), (7588, 55480), (8176, 51490), (8672, 48545), (9485, 44384), (9709, 43360), (10220, 41192), (10298, 40880), (10640, 39566), (10840, 38836), (11096, 37940), (11680, 36043), (13870, 30352), (15176, 27740), (16352, 25745), (18970, 22192), (19418, 21680), (19783, 21280), (20440, 20596)]