391612800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 288

約数和(自身を含む): 1373383080

約数和(自身を除く): 981770280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 64, 75, 76, 80, 95, 96, 100, 113, 114, 120, 128, 150, 152, 160, 190, 192, 200, 226, 228, 240, 285, 300, 304, 320, 339, 361, 380, 384, 400, 452, 456, 475, 480, 565, 570, 600, 608, 640, 678, 722, 760, 800, 904, 912, 950, 960, 1083, 1130, 1140, 1200, 1216, 1356, 1425, 1444, 1520, 1600, 1695, 1805, 1808, 1824, 1900, 1920, 2147, 2166, 2260, 2280, 2400, 2432, 2712, 2825, 2850, 2888, 3040, 3200, 3390, 3610, 3616, 3648, 3800, 4294, 4332, 4520, 4560, 4800, 5415, 5424, 5650, 5700, 5776, 6080, 6441, 6780, 7220, 7232, 7296, 7600, 8475, 8588, 8664, 9025, 9040, 9120, 9600, 10735, 10830, 10848, 11300, 11400, 11552, 12160, 12882, 13560, 14440, 14464, 15200, 16950, 17176, 17328, 18050, 18080, 18240, 21470, 21660, 21696, 22600, 22800, 23104, 25764, 27075, 27120, 28880, 30400, 32205, 33900, 34352, 34656, 36100, 36160, 36480, 40793, 42940, 43320, 43392, 45200, 45600, 46208, 51528, 53675, 54150, 54240, 57760, 60800, 64410, 67800, 68704, 69312, 72200, 72320, 81586, 85880, 86640, 90400, 91200, 103056, 107350, 108300, 108480, 115520, 122379, 128820, 135600, 137408, 138624, 144400, 161025, 163172, 171760, 173280, 180800, 182400, 203965, 206112, 214700, 216600, 216960, 231040, 244758, 257640, 271200, 274816, 288800, 322050, 326344, 343520, 346560, 361600, 407930, 412224, 429400, 433200, 489516, 515280, 542400, 577600, 611895, 644100, 652688, 687040, 693120, 815860, 824448, 858800, 866400, 979032, 1019825, 1030560, 1084800, 1155200, 1223790, 1288200, 1305376, 1374080, 1631720, 1717600, 1732800, 1958064, 2039650, 2061120, 2447580, 2576400, 2610752, 3059475, 3263440, 3435200, 3465600, 3916128, 4079300, 4122240, 4895160, 5152800, 5221504, 6118950, 6526880, 6870400, 7832256, 8158600, 9790320, 10305600, 12237900, 13053760, 15664512, 16317200, 19580640, 20611200, 24475800, 26107520, 32634400, 39161280, 48951600, 65268800, 78322560, 97903200, 130537600, 195806400, 391612800]

約数ペア:

[(1, 391612800), (2, 195806400), (3, 130537600), (4, 97903200), (5, 78322560), (6, 65268800), (8, 48951600), (10, 39161280), (12, 32634400), (15, 26107520), (16, 24475800), (19, 20611200), (20, 19580640), (24, 16317200), (25, 15664512), (30, 13053760), (32, 12237900), (38, 10305600), (40, 9790320), (48, 8158600), (50, 7832256), (57, 6870400), (60, 6526880), (64, 6118950), (75, 5221504), (76, 5152800), (80, 4895160), (95, 4122240), (96, 4079300), (100, 3916128), (113, 3465600), (114, 3435200), (120, 3263440), (128, 3059475), (150, 2610752), (152, 2576400), (160, 2447580), (190, 2061120), (192, 2039650), (200, 1958064), (226, 1732800), (228, 1717600), (240, 1631720), (285, 1374080), (300, 1305376), (304, 1288200), (320, 1223790), (339, 1155200), (361, 1084800), (380, 1030560), (384, 1019825), (400, 979032), (452, 866400), (456, 858800), (475, 824448), (480, 815860), (565, 693120), (570, 687040), (600, 652688), (608, 644100), (640, 611895), (678, 577600), (722, 542400), (760, 515280), (800, 489516), (904, 433200), (912, 429400), (950, 412224), (960, 407930), (1083, 361600), (1130, 346560), (1140, 343520), (1200, 326344), (1216, 322050), (1356, 288800), (1425, 274816), (1444, 271200), (1520, 257640), (1600, 244758), (1695, 231040), (1805, 216960), (1808, 216600), (1824, 214700), (1900, 206112), (1920, 203965), (2147, 182400), (2166, 180800), (2260, 173280), (2280, 171760), (2400, 163172), (2432, 161025), (2712, 144400), (2825, 138624), (2850, 137408), (2888, 135600), (3040, 128820), (3200, 122379), (3390, 115520), (3610, 108480), (3616, 108300), (3648, 107350), (3800, 103056), (4294, 91200), (4332, 90400), (4520, 86640), (4560, 85880), (4800, 81586), (5415, 72320), (5424, 72200), (5650, 69312), (5700, 68704), (5776, 67800), (6080, 64410), (6441, 60800), (6780, 57760), (7220, 54240), (7232, 54150), (7296, 53675), (7600, 51528), (8475, 46208), (8588, 45600), (8664, 45200), (9025, 43392), (9040, 43320), (9120, 42940), (9600, 40793), (10735, 36480), (10830, 36160), (10848, 36100), (11300, 34656), (11400, 34352), (11552, 33900), (12160, 32205), (12882, 30400), (13560, 28880), (14440, 27120), (14464, 27075), (15200, 25764), (16950, 23104), (17176, 22800), (17328, 22600), (18050, 21696), (18080, 21660), (18240, 21470)]