20335520640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557443}}^1$

素因数の和:557484

約数の個数: 128

約数和(自身を含む): 68231145600

約数和(自身を除く): 47895624960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 912, 960, 1140, 1216, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 4560, 6080, 7296, 9120, 12160, 18240, 36480, 557443, 1114886, 1672329, 2229772, 2787215, 3344658, 4459544, 5574430, 6689316, 8361645, 8919088, 10591417, 11148860, 13378632, 16723290, 17838176, 21182834, 22297720, 26757264, 31774251, 33446580, 35676352, 42365668, 44595440, 52957085, 53514528, 63548502, 66893160, 71352704, 84731336, 89190880, 105914170, 107029056, 127097004, 133786320, 158871255, 169462672, 178381760, 211828340, 214058112, 254194008, 267572640, 317742510, 338925344, 356763520, 423656680, 508388016, 535145280, 635485020, 677850688, 847313360, 1016776032, 1070290560, 1270970040, 1355701376, 1694626720, 2033552064, 2541940080, 3389253440, 4067104128, 5083880160, 6778506880, 10167760320, 20335520640]

約数ペア:

[(1, 20335520640), (2, 10167760320), (3, 6778506880), (4, 5083880160), (5, 4067104128), (6, 3389253440), (8, 2541940080), (10, 2033552064), (12, 1694626720), (15, 1355701376), (16, 1270970040), (19, 1070290560), (20, 1016776032), (24, 847313360), (30, 677850688), (32, 635485020), (38, 535145280), (40, 508388016), (48, 423656680), (57, 356763520), (60, 338925344), (64, 317742510), (76, 267572640), (80, 254194008), (95, 214058112), (96, 211828340), (114, 178381760), (120, 169462672), (128, 158871255), (152, 133786320), (160, 127097004), (190, 107029056), (192, 105914170), (228, 89190880), (240, 84731336), (285, 71352704), (304, 66893160), (320, 63548502), (380, 53514528), (384, 52957085), (456, 44595440), (480, 42365668), (570, 35676352), (608, 33446580), (640, 31774251), (760, 26757264), (912, 22297720), (960, 21182834), (1140, 17838176), (1216, 16723290), (1520, 13378632), (1824, 11148860), (1920, 10591417), (2280, 8919088), (2432, 8361645), (3040, 6689316), (3648, 5574430), (4560, 4459544), (6080, 3344658), (7296, 2787215), (9120, 2229772), (12160, 1672329), (18240, 1114886), (36480, 557443)]