329902720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:586

約数の個数: 128

約数和(自身を含む): 908208000

約数和(自身を除く): 578305280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 211, 224, 280, 320, 349, 422, 448, 560, 640, 698, 844, 896, 1055, 1120, 1396, 1477, 1688, 1745, 2110, 2240, 2443, 2792, 2954, 3376, 3490, 4220, 4480, 4886, 5584, 5908, 6752, 6980, 7385, 8440, 9772, 11168, 11816, 12215, 13504, 13960, 14770, 16880, 19544, 22336, 23632, 24430, 27008, 27920, 29540, 33760, 39088, 44672, 47264, 48860, 55840, 59080, 67520, 73639, 78176, 94528, 97720, 111680, 118160, 135040, 147278, 156352, 189056, 195440, 223360, 236320, 294556, 312704, 368195, 390880, 472640, 515473, 589112, 736390, 781760, 945280, 1030946, 1178224, 1472780, 1563520, 2061892, 2356448, 2577365, 2945560, 4123784, 4712896, 5154730, 5891120, 8247568, 9425792, 10309460, 11782240, 16495136, 20618920, 23564480, 32990272, 41237840, 47128960, 65980544, 82475680, 164951360, 329902720]

約数ペア:

[(1, 329902720), (2, 164951360), (4, 82475680), (5, 65980544), (7, 47128960), (8, 41237840), (10, 32990272), (14, 23564480), (16, 20618920), (20, 16495136), (28, 11782240), (32, 10309460), (35, 9425792), (40, 8247568), (56, 5891120), (64, 5154730), (70, 4712896), (80, 4123784), (112, 2945560), (128, 2577365), (140, 2356448), (160, 2061892), (211, 1563520), (224, 1472780), (280, 1178224), (320, 1030946), (349, 945280), (422, 781760), (448, 736390), (560, 589112), (640, 515473), (698, 472640), (844, 390880), (896, 368195), (1055, 312704), (1120, 294556), (1396, 236320), (1477, 223360), (1688, 195440), (1745, 189056), (2110, 156352), (2240, 147278), (2443, 135040), (2792, 118160), (2954, 111680), (3376, 97720), (3490, 94528), (4220, 78176), (4480, 73639), (4886, 67520), (5584, 59080), (5908, 55840), (6752, 48860), (6980, 47264), (7385, 44672), (8440, 39088), (9772, 33760), (11168, 29540), (11816, 27920), (12215, 27008), (13504, 24430), (13960, 23632), (14770, 22336), (16880, 19544)]