321655320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 256

約数和(自身を含む): 1237708800

約数和(自身を除く): 916053480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 157, 168, 180, 189, 210, 216, 252, 270, 271, 280, 314, 315, 360, 378, 420, 471, 504, 540, 542, 628, 630, 756, 785, 813, 840, 942, 945, 1080, 1084, 1099, 1256, 1260, 1355, 1413, 1512, 1570, 1626, 1884, 1890, 1897, 2168, 2198, 2355, 2439, 2520, 2710, 2826, 3140, 3252, 3297, 3768, 3780, 3794, 4065, 4239, 4396, 4710, 4878, 5420, 5495, 5652, 5691, 6280, 6504, 6594, 7065, 7317, 7560, 7588, 8130, 8478, 8792, 9420, 9485, 9756, 9891, 10840, 10990, 11304, 11382, 12195, 13188, 14130, 14634, 15176, 16260, 16485, 16956, 17073, 18840, 18970, 19512, 19782, 21195, 21980, 22764, 24390, 26376, 28260, 28455, 29268, 29673, 32520, 32970, 33912, 34146, 36585, 37940, 39564, 42390, 42547, 43960, 45528, 48780, 49455, 51219, 56520, 56910, 58536, 59346, 65940, 68292, 73170, 75880, 79128, 84780, 85094, 85365, 97560, 98910, 102438, 113820, 118692, 127641, 131880, 136584, 146340, 148365, 169560, 170188, 170730, 197820, 204876, 212735, 227640, 237384, 255282, 256095, 292680, 296730, 297829, 340376, 341460, 382923, 395640, 409752, 425470, 510564, 512190, 593460, 595658, 638205, 682920, 765846, 850940, 893487, 1021128, 1024380, 1148769, 1186920, 1191316, 1276410, 1489145, 1531692, 1701880, 1786974, 1914615, 2048760, 2297538, 2382632, 2552820, 2680461, 2978290, 3063384, 3573948, 3829230, 4467435, 4595076, 5105640, 5360922, 5743845, 5956580, 7147896, 7658460, 8041383, 8934870, 9190152, 10721844, 11487690, 11913160, 13402305, 15316920, 16082766, 17869740, 21443688, 22975380, 26804610, 32165532, 35739480, 40206915, 45950760, 53609220, 64331064, 80413830, 107218440, 160827660, 321655320]

約数ペア:

[(1, 321655320), (2, 160827660), (3, 107218440), (4, 80413830), (5, 64331064), (6, 53609220), (7, 45950760), (8, 40206915), (9, 35739480), (10, 32165532), (12, 26804610), (14, 22975380), (15, 21443688), (18, 17869740), (20, 16082766), (21, 15316920), (24, 13402305), (27, 11913160), (28, 11487690), (30, 10721844), (35, 9190152), (36, 8934870), (40, 8041383), (42, 7658460), (45, 7147896), (54, 5956580), (56, 5743845), (60, 5360922), (63, 5105640), (70, 4595076), (72, 4467435), (84, 3829230), (90, 3573948), (105, 3063384), (108, 2978290), (120, 2680461), (126, 2552820), (135, 2382632), (140, 2297538), (157, 2048760), (168, 1914615), (180, 1786974), (189, 1701880), (210, 1531692), (216, 1489145), (252, 1276410), (270, 1191316), (271, 1186920), (280, 1148769), (314, 1024380), (315, 1021128), (360, 893487), (378, 850940), (420, 765846), (471, 682920), (504, 638205), (540, 595658), (542, 593460), (628, 512190), (630, 510564), (756, 425470), (785, 409752), (813, 395640), (840, 382923), (942, 341460), (945, 340376), (1080, 297829), (1084, 296730), (1099, 292680), (1256, 256095), (1260, 255282), (1355, 237384), (1413, 227640), (1512, 212735), (1570, 204876), (1626, 197820), (1884, 170730), (1890, 170188), (1897, 169560), (2168, 148365), (2198, 146340), (2355, 136584), (2439, 131880), (2520, 127641), (2710, 118692), (2826, 113820), (3140, 102438), (3252, 98910), (3297, 97560), (3768, 85365), (3780, 85094), (3794, 84780), (4065, 79128), (4239, 75880), (4396, 73170), (4710, 68292), (4878, 65940), (5420, 59346), (5495, 58536), (5652, 56910), (5691, 56520), (6280, 51219), (6504, 49455), (6594, 48780), (7065, 45528), (7317, 43960), (7560, 42547), (7588, 42390), (8130, 39564), (8478, 37940), (8792, 36585), (9420, 34146), (9485, 33912), (9756, 32970), (9891, 32520), (10840, 29673), (10990, 29268), (11304, 28455), (11382, 28260), (12195, 26376), (13188, 24390), (14130, 22764), (14634, 21980), (15176, 21195), (16260, 19782), (16485, 19512), (16956, 18970), (17073, 18840)]