686190720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21023}}^1$

素因数の和:21062

約数の個数: 128

約数和(自身を含む): 2316003840

約数和(自身を除く): 1629813120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 21023, 32640, 42046, 63069, 84092, 105115, 126138, 168184, 210230, 252276, 315345, 336368, 357391, 420460, 504552, 630690, 672736, 714782, 840920, 1009104, 1072173, 1261380, 1345472, 1429564, 1681840, 1786955, 2018208, 2144346, 2522760, 2690944, 2859128, 3363680, 3573910, 4036416, 4288692, 5045520, 5360865, 5718256, 6727360, 7147820, 8072832, 8577384, 10091040, 10721730, 11436512, 13454720, 14295640, 17154768, 20182080, 21443460, 22873024, 28591280, 34309536, 40364160, 42886920, 45746048, 57182560, 68619072, 85773840, 114365120, 137238144, 171547680, 228730240, 343095360, 686190720]

約数ペア:

[(1, 686190720), (2, 343095360), (3, 228730240), (4, 171547680), (5, 137238144), (6, 114365120), (8, 85773840), (10, 68619072), (12, 57182560), (15, 45746048), (16, 42886920), (17, 40364160), (20, 34309536), (24, 28591280), (30, 22873024), (32, 21443460), (34, 20182080), (40, 17154768), (48, 14295640), (51, 13454720), (60, 11436512), (64, 10721730), (68, 10091040), (80, 8577384), (85, 8072832), (96, 7147820), (102, 6727360), (120, 5718256), (128, 5360865), (136, 5045520), (160, 4288692), (170, 4036416), (192, 3573910), (204, 3363680), (240, 2859128), (255, 2690944), (272, 2522760), (320, 2144346), (340, 2018208), (384, 1786955), (408, 1681840), (480, 1429564), (510, 1345472), (544, 1261380), (640, 1072173), (680, 1009104), (816, 840920), (960, 714782), (1020, 672736), (1088, 630690), (1360, 504552), (1632, 420460), (1920, 357391), (2040, 336368), (2176, 315345), (2720, 252276), (3264, 210230), (4080, 168184), (5440, 126138), (6528, 105115), (8160, 84092), (10880, 63069), (16320, 42046), (21023, 32640)]