245709240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4007}}^1$

素因数の和:4101

約数の個数: 128

約数和(自身を含む): 854184960

約数和(自身を除く): 608475720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4007, 4088, 4380, 5110, 6132, 7665, 8014, 8760, 10220, 12021, 12264, 15330, 16028, 20035, 20440, 24042, 28049, 30660, 32056, 40070, 48084, 56098, 60105, 61320, 80140, 84147, 96168, 112196, 120210, 140245, 160280, 168294, 224392, 240420, 280490, 292511, 336588, 420735, 480840, 560980, 585022, 673176, 841470, 877533, 1121960, 1170044, 1462555, 1682940, 1755066, 2047577, 2340088, 2925110, 3365880, 3510132, 4095154, 4387665, 5850220, 6142731, 7020264, 8190308, 8775330, 10237885, 11700440, 12285462, 16380616, 17550660, 20475770, 24570924, 30713655, 35101320, 40951540, 49141848, 61427310, 81903080, 122854620, 245709240]

約数ペア:

[(1, 245709240), (2, 122854620), (3, 81903080), (4, 61427310), (5, 49141848), (6, 40951540), (7, 35101320), (8, 30713655), (10, 24570924), (12, 20475770), (14, 17550660), (15, 16380616), (20, 12285462), (21, 11700440), (24, 10237885), (28, 8775330), (30, 8190308), (35, 7020264), (40, 6142731), (42, 5850220), (56, 4387665), (60, 4095154), (70, 3510132), (73, 3365880), (84, 2925110), (105, 2340088), (120, 2047577), (140, 1755066), (146, 1682940), (168, 1462555), (210, 1170044), (219, 1121960), (280, 877533), (292, 841470), (365, 673176), (420, 585022), (438, 560980), (511, 480840), (584, 420735), (730, 336588), (840, 292511), (876, 280490), (1022, 240420), (1095, 224392), (1460, 168294), (1533, 160280), (1752, 140245), (2044, 120210), (2190, 112196), (2555, 96168), (2920, 84147), (3066, 80140), (4007, 61320), (4088, 60105), (4380, 56098), (5110, 48084), (6132, 40070), (7665, 32056), (8014, 30660), (8760, 28049), (10220, 24042), (12021, 20440), (12264, 20035), (15330, 16028)]