About the Number

31290808640

31290808639 ← → 31290808641

2進数表記:11101001001000100111101100101000000

漢数字表記:三百十二億九千八十万八千六百四十

素因数分解:

2 6 × 5 1 × 7 1 × 13 1 × 127 1 × 8461 1

素因数の和:8625
約数の個数: 224
約数和(自身を含む): 92439158784
約数和(自身を除く): 61148350144

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 127, 130, 140, 160, 182, 208, 224, 254, 260, 280, 320, 364, 416, 448, 455, 508, 520, 560, 635, 728, 832, 889, 910, 1016, 1040, 1120, 1270, 1456, 1651, 1778, 1820, 2032, 2080, 2240, 2540, 2912, 3302, 3556, 3640, 4064, 4160, 4445, 5080, 5824, 6604, 7112, 7280, 8128, 8255, 8461, 8890, 10160, 11557, 13208, 14224, 14560, 16510, 16922, 17780, 20320, 23114, 26416, 28448, 29120, 33020, 33844, 35560, 40640, 42305, 46228, 52832, 56896, 57785, 59227, 66040, 67688, 71120, 84610, 92456, 105664, 109993, 115570, 118454, 132080, 135376, 142240, 169220, 184912, 219986, 231140, 236908, 264160, 270752, 284480, 296135, 338440, 369824, 439972, 462280, 473816, 528320, 541504, 549965, 592270, 676880, 739648, 769951, 879944, 924560, 947632, 1074547, 1099930, 1184540, 1353760, 1539902, 1759888, 1849120, 1895264, 2149094, 2199860, 2369080, 2707520, 3079804, 3519776, 3698240, 3790528, 3849755, 4298188, 4399720, 4738160, 5372735, 6159608, 7039552, 7521829, 7699510, 8596376, 8799440, 9476320, 10745470, 12319216, 13969111, 15043658, 15399020, 17192752, 17598880, 18952640, 21490940, 24638432, 27938222, 30087316, 30798040, 34385504, 35197760, 37609145, 42981880, 49276864, 55876444, 60174632, 61596080, 68771008, 69845555, 75218290, 85963760, 97783777, 111752888, 120349264, 123192160, 139691110, 150436580, 171927520, 195567554, 223505776, 240698528, 246384320, 279382220, 300873160, 343855040, 391135108, 447011552, 481397056, 488918885, 558764440, 601746320, 782270216, 894023104, 977837770, 1117528880, 1203492640, 1564540432, 1955675540, 2235057760, 2406985280, 3129080864, 3911351080, 4470115520, 6258161728, 7822702160, 15645404320, 31290808640]

約数ペア:
[(1, 31290808640), (2, 15645404320), (4, 7822702160), (5, 6258161728), (7, 4470115520), (8, 3911351080), (10, 3129080864), (13, 2406985280), (14, 2235057760), (16, 1955675540), (20, 1564540432), (26, 1203492640), (28, 1117528880), (32, 977837770), (35, 894023104), (40, 782270216), (52, 601746320), (56, 558764440), (64, 488918885), (65, 481397056), (70, 447011552), (80, 391135108), (91, 343855040), (104, 300873160), (112, 279382220), (127, 246384320), (130, 240698528), (140, 223505776), (160, 195567554), (182, 171927520), (208, 150436580), (224, 139691110), (254, 123192160), (260, 120349264), (280, 111752888), (320, 97783777), (364, 85963760), (416, 75218290), (448, 69845555), (455, 68771008), (508, 61596080), (520, 60174632), (560, 55876444), (635, 49276864), (728, 42981880), (832, 37609145), (889, 35197760), (910, 34385504), (1016, 30798040), (1040, 30087316), (1120, 27938222), (1270, 24638432), (1456, 21490940), (1651, 18952640), (1778, 17598880), (1820, 17192752), (2032, 15399020), (2080, 15043658), (2240, 13969111), (2540, 12319216), (2912, 10745470), (3302, 9476320), (3556, 8799440), (3640, 8596376), (4064, 7699510), (4160, 7521829), (4445, 7039552), (5080, 6159608), (5824, 5372735), (6604, 4738160), (7112, 4399720), (7280, 4298188), (8128, 3849755), (8255, 3790528), (8461, 3698240), (8890, 3519776), (10160, 3079804), (11557, 2707520), (13208, 2369080), (14224, 2199860), (14560, 2149094), (16510, 1895264), (16922, 1849120), (17780, 1759888), (20320, 1539902), (23114, 1353760), (26416, 1184540), (28448, 1099930), (29120, 1074547), (33020, 947632), (33844, 924560), (35560, 879944), (40640, 769951), (42305, 739648), (46228, 676880), (52832, 592270), (56896, 549965), (57785, 541504), (59227, 528320), (66040, 473816), (67688, 462280), (71120, 439972), (84610, 369824), (92456, 338440), (105664, 296135), (109993, 284480), (115570, 270752), (118454, 264160), (132080, 236908), (135376, 231140), (142240, 219986), (169220, 184912)]

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