20734856480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9613}}^1$

素因数の和:9719

約数の個数: 192

約数和(自身を含む): 56779053408

約数和(自身を除く): 36044196928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 61, 65, 68, 80, 85, 104, 122, 130, 136, 160, 170, 208, 221, 244, 260, 272, 305, 340, 416, 442, 488, 520, 544, 610, 680, 793, 884, 976, 1037, 1040, 1105, 1220, 1360, 1586, 1768, 1952, 2074, 2080, 2210, 2440, 2720, 3172, 3536, 3965, 4148, 4420, 4880, 5185, 6344, 7072, 7930, 8296, 8840, 9613, 9760, 10370, 12688, 13481, 15860, 16592, 17680, 19226, 20740, 25376, 26962, 31720, 33184, 35360, 38452, 41480, 48065, 53924, 63440, 67405, 76904, 82960, 96130, 107848, 124969, 126880, 134810, 153808, 163421, 165920, 192260, 215696, 249938, 269620, 307616, 326842, 384520, 431392, 499876, 539240, 586393, 624845, 653684, 769040, 817105, 999752, 1078480, 1172786, 1249690, 1307368, 1538080, 1634210, 1999504, 2124473, 2156960, 2345572, 2499380, 2614736, 2931965, 3268420, 3999008, 4248946, 4691144, 4998760, 5229472, 5863930, 6536840, 7623109, 8497892, 9382288, 9968681, 9997520, 10622365, 11727860, 13073680, 15246218, 16995784, 18764576, 19937362, 19995040, 21244730, 23455720, 26147360, 30492436, 33991568, 38115545, 39874724, 42489460, 46911440, 49843405, 60984872, 67983136, 76231090, 79749448, 84978920, 93822880, 99686810, 121969744, 129592853, 152462180, 159498896, 169957840, 199373620, 243939488, 259185706, 304924360, 318997792, 339915680, 398747240, 518371412, 609848720, 647964265, 797494480, 1036742824, 1219697440, 1295928530, 1594988960, 2073485648, 2591857060, 4146971296, 5183714120, 10367428240, 20734856480]

約数ペア:

[(1, 20734856480), (2, 10367428240), (4, 5183714120), (5, 4146971296), (8, 2591857060), (10, 2073485648), (13, 1594988960), (16, 1295928530), (17, 1219697440), (20, 1036742824), (26, 797494480), (32, 647964265), (34, 609848720), (40, 518371412), (52, 398747240), (61, 339915680), (65, 318997792), (68, 304924360), (80, 259185706), (85, 243939488), (104, 199373620), (122, 169957840), (130, 159498896), (136, 152462180), (160, 129592853), (170, 121969744), (208, 99686810), (221, 93822880), (244, 84978920), (260, 79749448), (272, 76231090), (305, 67983136), (340, 60984872), (416, 49843405), (442, 46911440), (488, 42489460), (520, 39874724), (544, 38115545), (610, 33991568), (680, 30492436), (793, 26147360), (884, 23455720), (976, 21244730), (1037, 19995040), (1040, 19937362), (1105, 18764576), (1220, 16995784), (1360, 15246218), (1586, 13073680), (1768, 11727860), (1952, 10622365), (2074, 9997520), (2080, 9968681), (2210, 9382288), (2440, 8497892), (2720, 7623109), (3172, 6536840), (3536, 5863930), (3965, 5229472), (4148, 4998760), (4420, 4691144), (4880, 4248946), (5185, 3999008), (6344, 3268420), (7072, 2931965), (7930, 2614736), (8296, 2499380), (8840, 2345572), (9613, 2156960), (9760, 2124473), (10370, 1999504), (12688, 1634210), (13481, 1538080), (15860, 1307368), (16592, 1249690), (17680, 1172786), (19226, 1078480), (20740, 999752), (25376, 817105), (26962, 769040), (31720, 653684), (33184, 624845), (35360, 586393), (38452, 539240), (41480, 499876), (48065, 431392), (53924, 384520), (63440, 326842), (67405, 307616), (76904, 269620), (82960, 249938), (96130, 215696), (107848, 192260), (124969, 165920), (126880, 163421), (134810, 153808)]