213691680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4787}}^1$

素因数の和:4839

約数の個数: 144

約数和(自身を含む): 752903424

約数和(自身を除く): 539211744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4787, 4960, 5580, 7440, 8928, 9574, 11160, 14361, 14880, 19148, 22320, 23935, 28722, 38296, 43083, 44640, 47870, 57444, 71805, 76592, 86166, 95740, 114888, 143610, 148397, 153184, 172332, 191480, 215415, 229776, 287220, 296794, 344664, 382960, 430830, 445191, 459552, 574440, 593588, 689328, 741985, 765920, 861660, 890382, 1148880, 1187176, 1335573, 1378656, 1483970, 1723320, 1780764, 2225955, 2297760, 2374352, 2671146, 2967940, 3446640, 3561528, 4451910, 4748704, 5342292, 5935880, 6677865, 6893280, 7123056, 8903820, 10684584, 11871760, 13355730, 14246112, 17807640, 21369168, 23743520, 26711460, 35615280, 42738336, 53422920, 71230560, 106845840, 213691680]

約数ペア:

[(1, 213691680), (2, 106845840), (3, 71230560), (4, 53422920), (5, 42738336), (6, 35615280), (8, 26711460), (9, 23743520), (10, 21369168), (12, 17807640), (15, 14246112), (16, 13355730), (18, 11871760), (20, 10684584), (24, 8903820), (30, 7123056), (31, 6893280), (32, 6677865), (36, 5935880), (40, 5342292), (45, 4748704), (48, 4451910), (60, 3561528), (62, 3446640), (72, 2967940), (80, 2671146), (90, 2374352), (93, 2297760), (96, 2225955), (120, 1780764), (124, 1723320), (144, 1483970), (155, 1378656), (160, 1335573), (180, 1187176), (186, 1148880), (240, 890382), (248, 861660), (279, 765920), (288, 741985), (310, 689328), (360, 593588), (372, 574440), (465, 459552), (480, 445191), (496, 430830), (558, 382960), (620, 344664), (720, 296794), (744, 287220), (930, 229776), (992, 215415), (1116, 191480), (1240, 172332), (1395, 153184), (1440, 148397), (1488, 143610), (1860, 114888), (2232, 95740), (2480, 86166), (2790, 76592), (2976, 71805), (3720, 57444), (4464, 47870), (4787, 44640), (4960, 43083), (5580, 38296), (7440, 28722), (8928, 23935), (9574, 22320), (11160, 19148), (14361, 14880)]