643288440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 256

約数和(自身を含む): 2115072000

約数和(自身を除く): 1471783560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 67, 87, 89, 93, 116, 120, 124, 134, 145, 155, 174, 178, 186, 201, 232, 248, 267, 268, 290, 310, 335, 348, 356, 372, 402, 435, 445, 465, 534, 536, 580, 620, 670, 696, 712, 744, 804, 870, 890, 899, 930, 1005, 1068, 1160, 1240, 1335, 1340, 1608, 1740, 1780, 1798, 1860, 1943, 2010, 2077, 2136, 2581, 2670, 2680, 2697, 2759, 3480, 3560, 3596, 3720, 3886, 4020, 4154, 4495, 5162, 5340, 5394, 5518, 5829, 5963, 6231, 7192, 7743, 7772, 8040, 8277, 8308, 8990, 9715, 10324, 10385, 10680, 10788, 11036, 11658, 11926, 12462, 12905, 13485, 13795, 15486, 15544, 16554, 16616, 17889, 17980, 19430, 20648, 20770, 21576, 22072, 23316, 23852, 24924, 25810, 26970, 27590, 29145, 29815, 30972, 31155, 33108, 35778, 35960, 38715, 38860, 41385, 41540, 46632, 47704, 49848, 51620, 53940, 55180, 58290, 59630, 60233, 61944, 62310, 66216, 71556, 77430, 77720, 80011, 82770, 83080, 89445, 103240, 107880, 110360, 116580, 119260, 120466, 124620, 143112, 154860, 160022, 165540, 172927, 178890, 180699, 184853, 233160, 238520, 240033, 240932, 249240, 301165, 309720, 320044, 331080, 345854, 357780, 361398, 369706, 400055, 480066, 481864, 518781, 554559, 602330, 640088, 691708, 715560, 722796, 739412, 800110, 864635, 903495, 924265, 960132, 1037562, 1109118, 1200165, 1204660, 1383416, 1445592, 1478824, 1600220, 1729270, 1806990, 1848530, 1920264, 2075124, 2218236, 2400330, 2409320, 2593905, 2772795, 3200440, 3458540, 3613980, 3697060, 4150248, 4436472, 4800660, 5187810, 5360737, 5545590, 6917080, 7227960, 7394120, 9601320, 10375620, 10721474, 11091180, 16082211, 20751240, 21442948, 22182360, 26803685, 32164422, 42885896, 53607370, 64328844, 80411055, 107214740, 128657688, 160822110, 214429480, 321644220, 643288440]

約数ペア:

[(1, 643288440), (2, 321644220), (3, 214429480), (4, 160822110), (5, 128657688), (6, 107214740), (8, 80411055), (10, 64328844), (12, 53607370), (15, 42885896), (20, 32164422), (24, 26803685), (29, 22182360), (30, 21442948), (31, 20751240), (40, 16082211), (58, 11091180), (60, 10721474), (62, 10375620), (67, 9601320), (87, 7394120), (89, 7227960), (93, 6917080), (116, 5545590), (120, 5360737), (124, 5187810), (134, 4800660), (145, 4436472), (155, 4150248), (174, 3697060), (178, 3613980), (186, 3458540), (201, 3200440), (232, 2772795), (248, 2593905), (267, 2409320), (268, 2400330), (290, 2218236), (310, 2075124), (335, 1920264), (348, 1848530), (356, 1806990), (372, 1729270), (402, 1600220), (435, 1478824), (445, 1445592), (465, 1383416), (534, 1204660), (536, 1200165), (580, 1109118), (620, 1037562), (670, 960132), (696, 924265), (712, 903495), (744, 864635), (804, 800110), (870, 739412), (890, 722796), (899, 715560), (930, 691708), (1005, 640088), (1068, 602330), (1160, 554559), (1240, 518781), (1335, 481864), (1340, 480066), (1608, 400055), (1740, 369706), (1780, 361398), (1798, 357780), (1860, 345854), (1943, 331080), (2010, 320044), (2077, 309720), (2136, 301165), (2581, 249240), (2670, 240932), (2680, 240033), (2697, 238520), (2759, 233160), (3480, 184853), (3560, 180699), (3596, 178890), (3720, 172927), (3886, 165540), (4020, 160022), (4154, 154860), (4495, 143112), (5162, 124620), (5340, 120466), (5394, 119260), (5518, 116580), (5829, 110360), (5963, 107880), (6231, 103240), (7192, 89445), (7743, 83080), (7772, 82770), (8040, 80011), (8277, 77720), (8308, 77430), (8990, 71556), (9715, 66216), (10324, 62310), (10385, 61944), (10680, 60233), (10788, 59630), (11036, 58290), (11658, 55180), (11926, 53940), (12462, 51620), (12905, 49848), (13485, 47704), (13795, 46632), (15486, 41540), (15544, 41385), (16554, 38860), (16616, 38715), (17889, 35960), (17980, 35778), (19430, 33108), (20648, 31155), (20770, 30972), (21576, 29815), (22072, 29145), (23316, 27590), (23852, 26970), (24924, 25810)]