28947120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1171}}^1$

素因数の和:1290

約数の個数: 80

約数和(自身を含む): 90684672

約数和(自身を除く): 61737552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1171, 1236, 1545, 1648, 2060, 2342, 2472, 3090, 3513, 4120, 4684, 4944, 5855, 6180, 7026, 8240, 9368, 11710, 12360, 14052, 17565, 18736, 23420, 24720, 28104, 35130, 46840, 56208, 70260, 93680, 120613, 140520, 241226, 281040, 361839, 482452, 603065, 723678, 964904, 1206130, 1447356, 1809195, 1929808, 2412260, 2894712, 3618390, 4824520, 5789424, 7236780, 9649040, 14473560, 28947120]

約数ペア:

[(1, 28947120), (2, 14473560), (3, 9649040), (4, 7236780), (5, 5789424), (6, 4824520), (8, 3618390), (10, 2894712), (12, 2412260), (15, 1929808), (16, 1809195), (20, 1447356), (24, 1206130), (30, 964904), (40, 723678), (48, 603065), (60, 482452), (80, 361839), (103, 281040), (120, 241226), (206, 140520), (240, 120613), (309, 93680), (412, 70260), (515, 56208), (618, 46840), (824, 35130), (1030, 28104), (1171, 24720), (1236, 23420), (1545, 18736), (1648, 17565), (2060, 14052), (2342, 12360), (2472, 11710), (3090, 9368), (3513, 8240), (4120, 7026), (4684, 6180), (4944, 5855)]