685763520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54949}}^1$

素因数の和:54982

約数の個数: 112

約数和(自身を含む): 2344826400

約数和(自身を除く): 1659062880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 54949, 109898, 164847, 219796, 274745, 329694, 439592, 549490, 659388, 714337, 824235, 879184, 1098980, 1318776, 1428674, 1648470, 1758368, 2143011, 2197960, 2637552, 2857348, 3296940, 3516736, 3571685, 4286022, 4395920, 5275104, 5714696, 6593880, 7143370, 8572044, 8791840, 10550208, 10715055, 11429392, 13187760, 14286740, 17144088, 17583680, 21430110, 22858784, 26375520, 28573480, 34288176, 42860220, 45717568, 52751040, 57146960, 68576352, 85720440, 114293920, 137152704, 171440880, 228587840, 342881760, 685763520]

約数ペア:

[(1, 685763520), (2, 342881760), (3, 228587840), (4, 171440880), (5, 137152704), (6, 114293920), (8, 85720440), (10, 68576352), (12, 57146960), (13, 52751040), (15, 45717568), (16, 42860220), (20, 34288176), (24, 28573480), (26, 26375520), (30, 22858784), (32, 21430110), (39, 17583680), (40, 17144088), (48, 14286740), (52, 13187760), (60, 11429392), (64, 10715055), (65, 10550208), (78, 8791840), (80, 8572044), (96, 7143370), (104, 6593880), (120, 5714696), (130, 5275104), (156, 4395920), (160, 4286022), (192, 3571685), (195, 3516736), (208, 3296940), (240, 2857348), (260, 2637552), (312, 2197960), (320, 2143011), (390, 1758368), (416, 1648470), (480, 1428674), (520, 1318776), (624, 1098980), (780, 879184), (832, 824235), (960, 714337), (1040, 659388), (1248, 549490), (1560, 439592), (2080, 329694), (2496, 274745), (3120, 219796), (4160, 164847), (6240, 109898), (12480, 54949)]