18219468800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:959

約数の個数: 288

約数和(自身を含む): 50274282240

約数和(自身を除く): 32054813440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 248, 256, 260, 310, 320, 325, 400, 403, 416, 496, 512, 520, 620, 640, 650, 775, 800, 806, 832, 883, 992, 1024, 1040, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1766, 1984, 2015, 2048, 2080, 2480, 2560, 2600, 3100, 3200, 3224, 3328, 3532, 3968, 4030, 4160, 4415, 4960, 5120, 5200, 6200, 6400, 6448, 6656, 7064, 7936, 8060, 8320, 8830, 9920, 10075, 10240, 10400, 11479, 12400, 12800, 12896, 13312, 14128, 15872, 16120, 16640, 17660, 19840, 20150, 20800, 22075, 22958, 24800, 25600, 25792, 26624, 27373, 28256, 31744, 32240, 33280, 35320, 39680, 40300, 41600, 44150, 45916, 49600, 51200, 51584, 54746, 56512, 57395, 63488, 64480, 66560, 70640, 79360, 80600, 83200, 88300, 91832, 99200, 103168, 109492, 113024, 114790, 128960, 133120, 136865, 141280, 158720, 161200, 166400, 176600, 183664, 198400, 206336, 218984, 226048, 229580, 257920, 273730, 282560, 286975, 317440, 322400, 332800, 353200, 355849, 367328, 396800, 412672, 437968, 452096, 459160, 515840, 547460, 565120, 573950, 644800, 665600, 684325, 706400, 711698, 734656, 793600, 825344, 875936, 904192, 918320, 1031680, 1094920, 1130240, 1147900, 1289600, 1368650, 1412800, 1423396, 1469312, 1587200, 1751872, 1779245, 1808384, 1836640, 2063360, 2189840, 2260480, 2295800, 2579200, 2737300, 2825600, 2846792, 2938624, 3503744, 3558490, 3673280, 4126720, 4379680, 4520960, 4591600, 5158400, 5474600, 5651200, 5693584, 5877248, 7007488, 7116980, 7346560, 8759360, 8896225, 9041920, 9183200, 10316800, 10949200, 11302400, 11387168, 11754496, 14014976, 14233960, 14693120, 17518720, 17792450, 18366400, 20633600, 21898400, 22604800, 22774336, 23508992, 28029952, 28467920, 29386240, 35037440, 35584900, 36732800, 43796800, 45209600, 45548672, 56059904, 56935840, 58772480, 70074880, 71169800, 73465600, 87593600, 91097344, 113871680, 117544960, 140149760, 142339600, 146931200, 175187200, 182194688, 227743360, 280299520, 284679200, 293862400, 350374400, 364389376, 455486720, 569358400, 587724800, 700748800, 728778752, 910973440, 1138716800, 1401497600, 1821946880, 2277433600, 3643893760, 4554867200, 9109734400, 18219468800]

約数ペア:

[(1, 18219468800), (2, 9109734400), (4, 4554867200), (5, 3643893760), (8, 2277433600), (10, 1821946880), (13, 1401497600), (16, 1138716800), (20, 910973440), (25, 728778752), (26, 700748800), (31, 587724800), (32, 569358400), (40, 455486720), (50, 364389376), (52, 350374400), (62, 293862400), (64, 284679200), (65, 280299520), (80, 227743360), (100, 182194688), (104, 175187200), (124, 146931200), (128, 142339600), (130, 140149760), (155, 117544960), (160, 113871680), (200, 91097344), (208, 87593600), (248, 73465600), (256, 71169800), (260, 70074880), (310, 58772480), (320, 56935840), (325, 56059904), (400, 45548672), (403, 45209600), (416, 43796800), (496, 36732800), (512, 35584900), (520, 35037440), (620, 29386240), (640, 28467920), (650, 28029952), (775, 23508992), (800, 22774336), (806, 22604800), (832, 21898400), (883, 20633600), (992, 18366400), (1024, 17792450), (1040, 17518720), (1240, 14693120), (1280, 14233960), (1300, 14014976), (1550, 11754496), (1600, 11387168), (1612, 11302400), (1664, 10949200), (1766, 10316800), (1984, 9183200), (2015, 9041920), (2048, 8896225), (2080, 8759360), (2480, 7346560), (2560, 7116980), (2600, 7007488), (3100, 5877248), (3200, 5693584), (3224, 5651200), (3328, 5474600), (3532, 5158400), (3968, 4591600), (4030, 4520960), (4160, 4379680), (4415, 4126720), (4960, 3673280), (5120, 3558490), (5200, 3503744), (6200, 2938624), (6400, 2846792), (6448, 2825600), (6656, 2737300), (7064, 2579200), (7936, 2295800), (8060, 2260480), (8320, 2189840), (8830, 2063360), (9920, 1836640), (10075, 1808384), (10240, 1779245), (10400, 1751872), (11479, 1587200), (12400, 1469312), (12800, 1423396), (12896, 1412800), (13312, 1368650), (14128, 1289600), (15872, 1147900), (16120, 1130240), (16640, 1094920), (17660, 1031680), (19840, 918320), (20150, 904192), (20800, 875936), (22075, 825344), (22958, 793600), (24800, 734656), (25600, 711698), (25792, 706400), (26624, 684325), (27373, 665600), (28256, 644800), (31744, 573950), (32240, 565120), (33280, 547460), (35320, 515840), (39680, 459160), (40300, 452096), (41600, 437968), (44150, 412672), (45916, 396800), (49600, 367328), (51200, 355849), (51584, 353200), (54746, 332800), (56512, 322400), (57395, 317440), (63488, 286975), (64480, 282560), (66560, 273730), (70640, 257920), (79360, 229580), (80600, 226048), (83200, 218984), (88300, 206336), (91832, 198400), (99200, 183664), (103168, 176600), (109492, 166400), (113024, 161200), (114790, 158720), (128960, 141280), (133120, 136865)]