87851120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 241640784

約数和(自身を除く): 153789664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 307, 365, 392, 490, 511, 560, 584, 614, 730, 784, 980, 1022, 1168, 1228, 1460, 1535, 1960, 2044, 2149, 2456, 2555, 2920, 3070, 3577, 3920, 4088, 4298, 4912, 5110, 5840, 6140, 7154, 8176, 8596, 10220, 10745, 12280, 14308, 15043, 17192, 17885, 20440, 21490, 22411, 24560, 28616, 30086, 34384, 35770, 40880, 42980, 44822, 57232, 60172, 71540, 75215, 85960, 89644, 112055, 120344, 143080, 150430, 156877, 171920, 179288, 224110, 240688, 286160, 300860, 313754, 358576, 448220, 601720, 627508, 784385, 896440, 1098139, 1203440, 1255016, 1568770, 1792880, 2196278, 2510032, 3137540, 4392556, 5490695, 6275080, 8785112, 10981390, 12550160, 17570224, 21962780, 43925560, 87851120]

約数ペア:

[(1, 87851120), (2, 43925560), (4, 21962780), (5, 17570224), (7, 12550160), (8, 10981390), (10, 8785112), (14, 6275080), (16, 5490695), (20, 4392556), (28, 3137540), (35, 2510032), (40, 2196278), (49, 1792880), (56, 1568770), (70, 1255016), (73, 1203440), (80, 1098139), (98, 896440), (112, 784385), (140, 627508), (146, 601720), (196, 448220), (245, 358576), (280, 313754), (292, 300860), (307, 286160), (365, 240688), (392, 224110), (490, 179288), (511, 171920), (560, 156877), (584, 150430), (614, 143080), (730, 120344), (784, 112055), (980, 89644), (1022, 85960), (1168, 75215), (1228, 71540), (1460, 60172), (1535, 57232), (1960, 44822), (2044, 42980), (2149, 40880), (2456, 35770), (2555, 34384), (2920, 30086), (3070, 28616), (3577, 24560), (3920, 22411), (4088, 21490), (4298, 20440), (4912, 17885), (5110, 17192), (5840, 15043), (6140, 14308), (7154, 12280), (8176, 10745), (8596, 10220)]