1388929680

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:1996

約数の個数: 240

約数和(自身を含む): 4970556864

約数和(自身を除く): 3581627184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 240, 243, 270, 296, 324, 333, 360, 370, 405, 432, 444, 486, 540, 555, 592, 648, 666, 720, 740, 810, 888, 972, 999, 1080, 1110, 1215, 1296, 1332, 1480, 1620, 1665, 1776, 1931, 1944, 1998, 2160, 2220, 2430, 2664, 2960, 2997, 3240, 3330, 3862, 3888, 3996, 4440, 4860, 4995, 5328, 5793, 5994, 6480, 6660, 7724, 7992, 8880, 8991, 9655, 9720, 9990, 11586, 11988, 13320, 14985, 15448, 15984, 17379, 17982, 19310, 19440, 19980, 23172, 23976, 26640, 28965, 29970, 30896, 34758, 35964, 38620, 39960, 44955, 46344, 47952, 52137, 57930, 59940, 69516, 71447, 71928, 77240, 79920, 86895, 89910, 92688, 104274, 115860, 119880, 139032, 142894, 143856, 154480, 156411, 173790, 179820, 208548, 214341, 231720, 239760, 260685, 278064, 285788, 312822, 347580, 357235, 359640, 417096, 428682, 463440, 469233, 521370, 571576, 625644, 643023, 695160, 714470, 719280, 782055, 834192, 857364, 938466, 1042740, 1071705, 1143152, 1251288, 1286046, 1390320, 1428940, 1564110, 1714728, 1876932, 1929069, 2085480, 2143410, 2346165, 2502576, 2572092, 2857880, 3128220, 3215115, 3429456, 3753864, 3858138, 4170960, 4286820, 4692330, 5144184, 5715760, 5787207, 6256440, 6430230, 7507728, 7716276, 8573640, 9384660, 9645345, 10288368, 11574414, 12512880, 12860460, 15432552, 17147280, 17361621, 18769320, 19290690, 23148828, 25720920, 28936035, 30865104, 34723242, 37538640, 38581380, 46297656, 51441840, 57872070, 69446484, 77162760, 86808105, 92595312, 115744140, 138892968, 154325520, 173616210, 231488280, 277785936, 347232420, 462976560, 694464840, 1388929680]

約数ペア:

[(1, 1388929680), (2, 694464840), (3, 462976560), (4, 347232420), (5, 277785936), (6, 231488280), (8, 173616210), (9, 154325520), (10, 138892968), (12, 115744140), (15, 92595312), (16, 86808105), (18, 77162760), (20, 69446484), (24, 57872070), (27, 51441840), (30, 46297656), (36, 38581380), (37, 37538640), (40, 34723242), (45, 30865104), (48, 28936035), (54, 25720920), (60, 23148828), (72, 19290690), (74, 18769320), (80, 17361621), (81, 17147280), (90, 15432552), (108, 12860460), (111, 12512880), (120, 11574414), (135, 10288368), (144, 9645345), (148, 9384660), (162, 8573640), (180, 7716276), (185, 7507728), (216, 6430230), (222, 6256440), (240, 5787207), (243, 5715760), (270, 5144184), (296, 4692330), (324, 4286820), (333, 4170960), (360, 3858138), (370, 3753864), (405, 3429456), (432, 3215115), (444, 3128220), (486, 2857880), (540, 2572092), (555, 2502576), (592, 2346165), (648, 2143410), (666, 2085480), (720, 1929069), (740, 1876932), (810, 1714728), (888, 1564110), (972, 1428940), (999, 1390320), (1080, 1286046), (1110, 1251288), (1215, 1143152), (1296, 1071705), (1332, 1042740), (1480, 938466), (1620, 857364), (1665, 834192), (1776, 782055), (1931, 719280), (1944, 714470), (1998, 695160), (2160, 643023), (2220, 625644), (2430, 571576), (2664, 521370), (2960, 469233), (2997, 463440), (3240, 428682), (3330, 417096), (3862, 359640), (3888, 357235), (3996, 347580), (4440, 312822), (4860, 285788), (4995, 278064), (5328, 260685), (5793, 239760), (5994, 231720), (6480, 214341), (6660, 208548), (7724, 179820), (7992, 173790), (8880, 156411), (8991, 154480), (9655, 143856), (9720, 142894), (9990, 139032), (11586, 119880), (11988, 115860), (13320, 104274), (14985, 92688), (15448, 89910), (15984, 86895), (17379, 79920), (17982, 77240), (19310, 71928), (19440, 71447), (19980, 69516), (23172, 59940), (23976, 57930), (26640, 52137), (28965, 47952), (29970, 46344), (30896, 44955), (34758, 39960), (35964, 38620)]