51223380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3863}}^1$

素因数の和:3905

約数の個数: 96

約数和(自身を含む): 163586304

約数和(自身を除く): 112362924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2652, 3315, 3863, 4420, 6630, 7726, 11589, 13260, 15452, 19315, 23178, 38630, 46356, 50219, 57945, 65671, 77260, 100438, 115890, 131342, 150657, 197013, 200876, 231780, 251095, 262684, 301314, 328355, 394026, 502190, 602628, 656710, 753285, 788052, 853723, 985065, 1004380, 1313420, 1506570, 1707446, 1970130, 2561169, 3013140, 3414892, 3940260, 4268615, 5122338, 8537230, 10244676, 12805845, 17074460, 25611690, 51223380]

約数ペア:

[(1, 51223380), (2, 25611690), (3, 17074460), (4, 12805845), (5, 10244676), (6, 8537230), (10, 5122338), (12, 4268615), (13, 3940260), (15, 3414892), (17, 3013140), (20, 2561169), (26, 1970130), (30, 1707446), (34, 1506570), (39, 1313420), (51, 1004380), (52, 985065), (60, 853723), (65, 788052), (68, 753285), (78, 656710), (85, 602628), (102, 502190), (130, 394026), (156, 328355), (170, 301314), (195, 262684), (204, 251095), (221, 231780), (255, 200876), (260, 197013), (340, 150657), (390, 131342), (442, 115890), (510, 100438), (663, 77260), (780, 65671), (884, 57945), (1020, 50219), (1105, 46356), (1326, 38630), (2210, 23178), (2652, 19315), (3315, 15452), (3863, 13260), (4420, 11589), (6630, 7726)]