257161320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54949}}^1$

素因数の和:54979

約数の個数: 96

約数和(自身を含む): 900081000

約数和(自身を除く): 642919680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 54949, 109898, 164847, 219796, 274745, 329694, 439592, 494541, 549490, 659388, 714337, 824235, 989082, 1098980, 1318776, 1428674, 1648470, 1978164, 2143011, 2197960, 2472705, 2857348, 3296940, 3571685, 3956328, 4286022, 4945410, 5714696, 6429033, 6593880, 7143370, 8572044, 9890820, 10715055, 12858066, 14286740, 17144088, 19781640, 21430110, 25716132, 28573480, 32145165, 42860220, 51432264, 64290330, 85720440, 128580660, 257161320]

約数ペア:

[(1, 257161320), (2, 128580660), (3, 85720440), (4, 64290330), (5, 51432264), (6, 42860220), (8, 32145165), (9, 28573480), (10, 25716132), (12, 21430110), (13, 19781640), (15, 17144088), (18, 14286740), (20, 12858066), (24, 10715055), (26, 9890820), (30, 8572044), (36, 7143370), (39, 6593880), (40, 6429033), (45, 5714696), (52, 4945410), (60, 4286022), (65, 3956328), (72, 3571685), (78, 3296940), (90, 2857348), (104, 2472705), (117, 2197960), (120, 2143011), (130, 1978164), (156, 1648470), (180, 1428674), (195, 1318776), (234, 1098980), (260, 989082), (312, 824235), (360, 714337), (390, 659388), (468, 549490), (520, 494541), (585, 439592), (780, 329694), (936, 274745), (1170, 219796), (1560, 164847), (2340, 109898), (4680, 54949)]