21751517040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{265781}}^1$

素因数の和:265839

約数の個数: 160

約数和(自身を含む): 75932854272

約数和(自身を除く): 54181337232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 528, 620, 660, 682, 744, 880, 930, 1023, 1240, 1320, 1364, 1488, 1705, 1860, 2046, 2480, 2640, 2728, 3410, 3720, 4092, 5115, 5456, 6820, 7440, 8184, 10230, 13640, 16368, 20460, 27280, 40920, 81840, 265781, 531562, 797343, 1063124, 1328905, 1594686, 2126248, 2657810, 2923591, 3189372, 3986715, 4252496, 5315620, 5847182, 6378744, 7973430, 8239211, 8770773, 10631240, 11694364, 12757488, 14617955, 15946860, 16478422, 17541546, 21262480, 23388728, 24717633, 29235910, 31893720, 32956844, 35083092, 41196055, 43853865, 46777456, 49435266, 58471820, 63787440, 65913688, 70166184, 82392110, 87707730, 90631321, 98870532, 116943640, 123588165, 131827376, 140332368, 164784220, 175415460, 181262642, 197741064, 233887280, 247176330, 271893963, 329568440, 350830920, 362525284, 395482128, 453156605, 494352660, 543787926, 659136880, 701661840, 725050568, 906313210, 988705320, 1087575852, 1359469815, 1450101136, 1812626420, 1977410640, 2175151704, 2718939630, 3625252840, 4350303408, 5437879260, 7250505680, 10875758520, 21751517040]

約数ペア:

[(1, 21751517040), (2, 10875758520), (3, 7250505680), (4, 5437879260), (5, 4350303408), (6, 3625252840), (8, 2718939630), (10, 2175151704), (11, 1977410640), (12, 1812626420), (15, 1450101136), (16, 1359469815), (20, 1087575852), (22, 988705320), (24, 906313210), (30, 725050568), (31, 701661840), (33, 659136880), (40, 543787926), (44, 494352660), (48, 453156605), (55, 395482128), (60, 362525284), (62, 350830920), (66, 329568440), (80, 271893963), (88, 247176330), (93, 233887280), (110, 197741064), (120, 181262642), (124, 175415460), (132, 164784220), (155, 140332368), (165, 131827376), (176, 123588165), (186, 116943640), (220, 98870532), (240, 90631321), (248, 87707730), (264, 82392110), (310, 70166184), (330, 65913688), (341, 63787440), (372, 58471820), (440, 49435266), (465, 46777456), (496, 43853865), (528, 41196055), (620, 35083092), (660, 32956844), (682, 31893720), (744, 29235910), (880, 24717633), (930, 23388728), (1023, 21262480), (1240, 17541546), (1320, 16478422), (1364, 15946860), (1488, 14617955), (1705, 12757488), (1860, 11694364), (2046, 10631240), (2480, 8770773), (2640, 8239211), (2728, 7973430), (3410, 6378744), (3720, 5847182), (4092, 5315620), (5115, 4252496), (5456, 3986715), (6820, 3189372), (7440, 2923591), (8184, 2657810), (10230, 2126248), (13640, 1594686), (16368, 1328905), (20460, 1063124), (27280, 797343), (40920, 531562), (81840, 265781)]