89854240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 251915832

約数和(自身を除く): 162061592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 157, 160, 196, 224, 245, 280, 292, 314, 365, 392, 490, 511, 560, 584, 628, 730, 784, 785, 980, 1022, 1099, 1120, 1168, 1256, 1460, 1568, 1570, 1960, 2044, 2198, 2336, 2512, 2555, 2920, 3140, 3577, 3920, 4088, 4396, 5024, 5110, 5495, 5840, 6280, 7154, 7693, 7840, 8176, 8792, 10220, 10990, 11461, 11680, 12560, 14308, 15386, 16352, 17584, 17885, 20440, 21980, 22922, 25120, 28616, 30772, 35168, 35770, 38465, 40880, 43960, 45844, 57232, 57305, 61544, 71540, 76930, 80227, 81760, 87920, 91688, 114464, 114610, 123088, 143080, 153860, 160454, 175840, 183376, 229220, 246176, 286160, 307720, 320908, 366752, 401135, 458440, 561589, 572320, 615440, 641816, 802270, 916880, 1123178, 1230880, 1283632, 1604540, 1833760, 2246356, 2567264, 2807945, 3209080, 4492712, 5615890, 6418160, 8985424, 11231780, 12836320, 17970848, 22463560, 44927120, 89854240]

約数ペア:

[(1, 89854240), (2, 44927120), (4, 22463560), (5, 17970848), (7, 12836320), (8, 11231780), (10, 8985424), (14, 6418160), (16, 5615890), (20, 4492712), (28, 3209080), (32, 2807945), (35, 2567264), (40, 2246356), (49, 1833760), (56, 1604540), (70, 1283632), (73, 1230880), (80, 1123178), (98, 916880), (112, 802270), (140, 641816), (146, 615440), (157, 572320), (160, 561589), (196, 458440), (224, 401135), (245, 366752), (280, 320908), (292, 307720), (314, 286160), (365, 246176), (392, 229220), (490, 183376), (511, 175840), (560, 160454), (584, 153860), (628, 143080), (730, 123088), (784, 114610), (785, 114464), (980, 91688), (1022, 87920), (1099, 81760), (1120, 80227), (1168, 76930), (1256, 71540), (1460, 61544), (1568, 57305), (1570, 57232), (1960, 45844), (2044, 43960), (2198, 40880), (2336, 38465), (2512, 35770), (2555, 35168), (2920, 30772), (3140, 28616), (3577, 25120), (3920, 22922), (4088, 21980), (4396, 20440), (5024, 17885), (5110, 17584), (5495, 16352), (5840, 15386), (6280, 14308), (7154, 12560), (7693, 11680), (7840, 11461), (8176, 10990), (8792, 10220)]