21167763720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:648

約数の個数: 256

約数和(自身を含む): 66618236160

約数和(自身を除く): 45450472440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 61, 82, 120, 122, 123, 164, 183, 205, 244, 246, 251, 281, 305, 328, 366, 410, 488, 492, 502, 562, 610, 615, 732, 753, 820, 843, 915, 984, 1004, 1124, 1220, 1230, 1255, 1405, 1464, 1506, 1640, 1686, 1830, 2008, 2248, 2440, 2460, 2501, 2510, 2810, 3012, 3372, 3660, 3765, 4215, 4920, 5002, 5020, 5620, 6024, 6744, 7320, 7503, 7530, 8430, 10004, 10040, 10291, 11240, 11521, 12505, 15006, 15060, 15311, 16860, 17141, 20008, 20582, 23042, 25010, 30012, 30120, 30622, 30873, 33720, 34282, 34563, 37515, 41164, 45933, 46084, 50020, 51423, 51455, 57605, 60024, 61244, 61746, 68564, 69126, 70531, 75030, 76555, 82328, 85705, 91866, 92168, 100040, 102846, 102910, 115210, 122488, 123492, 137128, 138252, 141062, 150060, 153110, 154365, 171410, 172815, 183732, 205692, 205820, 211593, 229665, 230420, 246984, 257115, 276504, 282124, 300120, 306220, 308730, 342820, 345630, 352655, 367464, 411384, 411640, 423186, 459330, 460840, 514230, 564248, 612440, 617460, 627751, 685640, 691260, 702781, 705310, 846372, 918660, 1028460, 1057965, 1234920, 1255502, 1382520, 1405562, 1410620, 1692744, 1837320, 1883253, 2056920, 2108343, 2115930, 2511004, 2811124, 2821240, 2891771, 3138755, 3513905, 3766506, 4216686, 4231860, 4302391, 5022008, 5622248, 5783542, 6277510, 7027810, 7533012, 8433372, 8463720, 8604782, 8675313, 9416265, 10541715, 11567084, 12555020, 12907173, 14055620, 14458855, 15066024, 16866744, 17209564, 17350626, 18832530, 21083430, 21511955, 23134168, 25110040, 25814346, 28111240, 28917710, 34419128, 34701252, 37665060, 42166860, 43023910, 43376565, 51628692, 57835420, 64535865, 69402504, 75330120, 84333720, 86047820, 86753130, 103257384, 115670840, 129071730, 172095640, 173506260, 176398031, 258143460, 347012520, 352796062, 516286920, 529194093, 705592124, 881990155, 1058388186, 1411184248, 1763980310, 2116776372, 2645970465, 3527960620, 4233552744, 5291940930, 7055921240, 10583881860, 21167763720]

約数ペア:

[(1, 21167763720), (2, 10583881860), (3, 7055921240), (4, 5291940930), (5, 4233552744), (6, 3527960620), (8, 2645970465), (10, 2116776372), (12, 1763980310), (15, 1411184248), (20, 1058388186), (24, 881990155), (30, 705592124), (40, 529194093), (41, 516286920), (60, 352796062), (61, 347012520), (82, 258143460), (120, 176398031), (122, 173506260), (123, 172095640), (164, 129071730), (183, 115670840), (205, 103257384), (244, 86753130), (246, 86047820), (251, 84333720), (281, 75330120), (305, 69402504), (328, 64535865), (366, 57835420), (410, 51628692), (488, 43376565), (492, 43023910), (502, 42166860), (562, 37665060), (610, 34701252), (615, 34419128), (732, 28917710), (753, 28111240), (820, 25814346), (843, 25110040), (915, 23134168), (984, 21511955), (1004, 21083430), (1124, 18832530), (1220, 17350626), (1230, 17209564), (1255, 16866744), (1405, 15066024), (1464, 14458855), (1506, 14055620), (1640, 12907173), (1686, 12555020), (1830, 11567084), (2008, 10541715), (2248, 9416265), (2440, 8675313), (2460, 8604782), (2501, 8463720), (2510, 8433372), (2810, 7533012), (3012, 7027810), (3372, 6277510), (3660, 5783542), (3765, 5622248), (4215, 5022008), (4920, 4302391), (5002, 4231860), (5020, 4216686), (5620, 3766506), (6024, 3513905), (6744, 3138755), (7320, 2891771), (7503, 2821240), (7530, 2811124), (8430, 2511004), (10004, 2115930), (10040, 2108343), (10291, 2056920), (11240, 1883253), (11521, 1837320), (12505, 1692744), (15006, 1410620), (15060, 1405562), (15311, 1382520), (16860, 1255502), (17141, 1234920), (20008, 1057965), (20582, 1028460), (23042, 918660), (25010, 846372), (30012, 705310), (30120, 702781), (30622, 691260), (30873, 685640), (33720, 627751), (34282, 617460), (34563, 612440), (37515, 564248), (41164, 514230), (45933, 460840), (46084, 459330), (50020, 423186), (51423, 411640), (51455, 411384), (57605, 367464), (60024, 352655), (61244, 345630), (61746, 342820), (68564, 308730), (69126, 306220), (70531, 300120), (75030, 282124), (76555, 276504), (82328, 257115), (85705, 246984), (91866, 230420), (92168, 229665), (100040, 211593), (102846, 205820), (102910, 205692), (115210, 183732), (122488, 172815), (123492, 171410), (137128, 154365), (138252, 153110), (141062, 150060)]