51481560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 169364160

約数和(自身を除く): 117882600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 366, 390, 488, 520, 541, 610, 732, 780, 793, 915, 1082, 1220, 1464, 1560, 1586, 1623, 1830, 2164, 2379, 2440, 2705, 3172, 3246, 3660, 3965, 4328, 4758, 5410, 6344, 6492, 7033, 7320, 7930, 8115, 9516, 10820, 11895, 12984, 14066, 15860, 16230, 19032, 21099, 21640, 23790, 28132, 31720, 32460, 33001, 35165, 42198, 47580, 56264, 64920, 66002, 70330, 84396, 95160, 99003, 105495, 132004, 140660, 165005, 168792, 198006, 210990, 264008, 281320, 330010, 396012, 421980, 429013, 495015, 660020, 792024, 843960, 858026, 990030, 1287039, 1320040, 1716052, 1980060, 2145065, 2574078, 3432104, 3960120, 4290130, 5148156, 6435195, 8580260, 10296312, 12870390, 17160520, 25740780, 51481560]

約数ペア:

[(1, 51481560), (2, 25740780), (3, 17160520), (4, 12870390), (5, 10296312), (6, 8580260), (8, 6435195), (10, 5148156), (12, 4290130), (13, 3960120), (15, 3432104), (20, 2574078), (24, 2145065), (26, 1980060), (30, 1716052), (39, 1320040), (40, 1287039), (52, 990030), (60, 858026), (61, 843960), (65, 792024), (78, 660020), (104, 495015), (120, 429013), (122, 421980), (130, 396012), (156, 330010), (183, 281320), (195, 264008), (244, 210990), (260, 198006), (305, 168792), (312, 165005), (366, 140660), (390, 132004), (488, 105495), (520, 99003), (541, 95160), (610, 84396), (732, 70330), (780, 66002), (793, 64920), (915, 56264), (1082, 47580), (1220, 42198), (1464, 35165), (1560, 33001), (1586, 32460), (1623, 31720), (1830, 28132), (2164, 23790), (2379, 21640), (2440, 21099), (2705, 19032), (3172, 16230), (3246, 15860), (3660, 14066), (3965, 12984), (4328, 11895), (4758, 10820), (5410, 9516), (6344, 8115), (6492, 7930), (7033, 7320)]