20347101440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{15329}}^1$

素因数の和:15428

約数の個数: 144

約数和(自身を含む): 52453986480

約数和(自身を除く): 32106885040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 80, 85, 122, 128, 136, 160, 170, 244, 256, 272, 305, 320, 340, 488, 544, 610, 640, 680, 976, 1037, 1088, 1220, 1280, 1360, 1952, 2074, 2176, 2440, 2720, 3904, 4148, 4352, 4880, 5185, 5440, 7808, 8296, 9760, 10370, 10880, 15329, 15616, 16592, 19520, 20740, 21760, 30658, 33184, 39040, 41480, 61316, 66368, 76645, 78080, 82960, 122632, 132736, 153290, 165920, 245264, 260593, 265472, 306580, 331840, 490528, 521186, 613160, 663680, 935069, 981056, 1042372, 1226320, 1302965, 1327360, 1870138, 1962112, 2084744, 2452640, 2605930, 3740276, 3924224, 4169488, 4675345, 4905280, 5211860, 7480552, 8338976, 9350690, 9810560, 10423720, 14961104, 15896173, 16677952, 18701380, 19621120, 20847440, 29922208, 31792346, 33355904, 37402760, 41694880, 59844416, 63584692, 66711808, 74805520, 79480865, 83389760, 119688832, 127169384, 149611040, 158961730, 166779520, 239377664, 254338768, 299222080, 317923460, 333559040, 508677536, 598444160, 635846920, 1017355072, 1196888320, 1271693840, 2034710144, 2543387680, 4069420288, 5086775360, 10173550720, 20347101440]

約数ペア:

[(1, 20347101440), (2, 10173550720), (4, 5086775360), (5, 4069420288), (8, 2543387680), (10, 2034710144), (16, 1271693840), (17, 1196888320), (20, 1017355072), (32, 635846920), (34, 598444160), (40, 508677536), (61, 333559040), (64, 317923460), (68, 299222080), (80, 254338768), (85, 239377664), (122, 166779520), (128, 158961730), (136, 149611040), (160, 127169384), (170, 119688832), (244, 83389760), (256, 79480865), (272, 74805520), (305, 66711808), (320, 63584692), (340, 59844416), (488, 41694880), (544, 37402760), (610, 33355904), (640, 31792346), (680, 29922208), (976, 20847440), (1037, 19621120), (1088, 18701380), (1220, 16677952), (1280, 15896173), (1360, 14961104), (1952, 10423720), (2074, 9810560), (2176, 9350690), (2440, 8338976), (2720, 7480552), (3904, 5211860), (4148, 4905280), (4352, 4675345), (4880, 4169488), (5185, 3924224), (5440, 3740276), (7808, 2605930), (8296, 2452640), (9760, 2084744), (10370, 1962112), (10880, 1870138), (15329, 1327360), (15616, 1302965), (16592, 1226320), (19520, 1042372), (20740, 981056), (21760, 935069), (30658, 663680), (33184, 613160), (39040, 521186), (41480, 490528), (61316, 331840), (66368, 306580), (76645, 265472), (78080, 260593), (82960, 245264), (122632, 165920), (132736, 153290)]