1781447520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{161363}}^1$

素因数の和:161404

約数の個数: 96

約数和(自身を含む): 5855576832

約数和(自身を除く): 4074129312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 2208, 2760, 3680, 5520, 11040, 161363, 322726, 484089, 645452, 806815, 968178, 1290904, 1613630, 1936356, 2420445, 2581808, 3227260, 3711349, 3872712, 4840890, 5163616, 6454520, 7422698, 7745424, 9681780, 11134047, 12909040, 14845396, 15490848, 18556745, 19363560, 22268094, 25818080, 29690792, 37113490, 38727120, 44536188, 55670235, 59381584, 74226980, 77454240, 89072376, 111340470, 118763168, 148453960, 178144752, 222680940, 296907920, 356289504, 445361880, 593815840, 890723760, 1781447520]

約数ペア:

[(1, 1781447520), (2, 890723760), (3, 593815840), (4, 445361880), (5, 356289504), (6, 296907920), (8, 222680940), (10, 178144752), (12, 148453960), (15, 118763168), (16, 111340470), (20, 89072376), (23, 77454240), (24, 74226980), (30, 59381584), (32, 55670235), (40, 44536188), (46, 38727120), (48, 37113490), (60, 29690792), (69, 25818080), (80, 22268094), (92, 19363560), (96, 18556745), (115, 15490848), (120, 14845396), (138, 12909040), (160, 11134047), (184, 9681780), (230, 7745424), (240, 7422698), (276, 6454520), (345, 5163616), (368, 4840890), (460, 3872712), (480, 3711349), (552, 3227260), (690, 2581808), (736, 2420445), (920, 1936356), (1104, 1613630), (1380, 1290904), (1840, 968178), (2208, 806815), (2760, 645452), (3680, 484089), (5520, 322726), (11040, 161363)]