216173440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 128

約数和(自身を含む): 599613120

約数和(自身を除く): 383439680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 640, 661, 730, 896, 1022, 1120, 1168, 1322, 1460, 2044, 2240, 2336, 2555, 2644, 2920, 3305, 4088, 4480, 4627, 4672, 5110, 5288, 5840, 6610, 8176, 9254, 9344, 10220, 10576, 11680, 13220, 16352, 18508, 20440, 21152, 23135, 23360, 26440, 32704, 37016, 40880, 42304, 46270, 46720, 48253, 52880, 65408, 74032, 81760, 84608, 92540, 96506, 105760, 148064, 163520, 185080, 193012, 211520, 241265, 296128, 327040, 337771, 370160, 386024, 423040, 482530, 592256, 675542, 740320, 772048, 965060, 1351084, 1480640, 1544096, 1688855, 1930120, 2702168, 2961280, 3088192, 3377710, 3860240, 5404336, 6176384, 6755420, 7720480, 10808672, 13510840, 15440960, 21617344, 27021680, 30881920, 43234688, 54043360, 108086720, 216173440]

約数ペア:

[(1, 216173440), (2, 108086720), (4, 54043360), (5, 43234688), (7, 30881920), (8, 27021680), (10, 21617344), (14, 15440960), (16, 13510840), (20, 10808672), (28, 7720480), (32, 6755420), (35, 6176384), (40, 5404336), (56, 3860240), (64, 3377710), (70, 3088192), (73, 2961280), (80, 2702168), (112, 1930120), (128, 1688855), (140, 1544096), (146, 1480640), (160, 1351084), (224, 965060), (280, 772048), (292, 740320), (320, 675542), (365, 592256), (448, 482530), (511, 423040), (560, 386024), (584, 370160), (640, 337771), (661, 327040), (730, 296128), (896, 241265), (1022, 211520), (1120, 193012), (1168, 185080), (1322, 163520), (1460, 148064), (2044, 105760), (2240, 96506), (2336, 92540), (2555, 84608), (2644, 81760), (2920, 74032), (3305, 65408), (4088, 52880), (4480, 48253), (4627, 46720), (4672, 46270), (5110, 42304), (5288, 40880), (5840, 37016), (6610, 32704), (8176, 26440), (9254, 23360), (9344, 23135), (10220, 21152), (10576, 20440), (11680, 18508), (13220, 16352)]