20386214400

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{3257}}^1$

素因数の和:3451

約数の個数: 240

約数和(自身を含む): 67778545824

約数和(自身を除く): 47392331424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 163, 192, 200, 240, 256, 300, 320, 326, 384, 400, 480, 489, 512, 600, 640, 652, 768, 800, 815, 960, 978, 1200, 1280, 1304, 1536, 1600, 1630, 1920, 1956, 2400, 2445, 2560, 2608, 3200, 3257, 3260, 3840, 3912, 4075, 4800, 4890, 5216, 6400, 6514, 6520, 7680, 7824, 8150, 9600, 9771, 9780, 10432, 12225, 12800, 13028, 13040, 15648, 16285, 16300, 19200, 19542, 19560, 20864, 24450, 26056, 26080, 31296, 32570, 32600, 38400, 39084, 39120, 41728, 48855, 48900, 52112, 52160, 62592, 65140, 65200, 78168, 78240, 81425, 83456, 97710, 97800, 104224, 104320, 125184, 130280, 130400, 156336, 156480, 162850, 195420, 195600, 208448, 208640, 244275, 250368, 260560, 260800, 312672, 312960, 325700, 390840, 391200, 416896, 417280, 488550, 521120, 521600, 530891, 625344, 625920, 651400, 781680, 782400, 833792, 977100, 1042240, 1043200, 1061782, 1250688, 1251840, 1302800, 1563360, 1564800, 1592673, 1667584, 1954200, 2084480, 2086400, 2123564, 2501376, 2605600, 2654455, 3126720, 3129600, 3185346, 3908400, 4168960, 4247128, 5002752, 5211200, 5308910, 6253440, 6259200, 6370692, 7816800, 7963365, 8337920, 8494256, 10422400, 10617820, 12506880, 12741384, 13272275, 15633600, 15926730, 16988512, 20844800, 21235640, 25013760, 25482768, 26544550, 31267200, 31853460, 33977024, 39816825, 41689600, 42471280, 50965536, 53089100, 62534400, 63706920, 67954048, 79633650, 84942560, 101931072, 106178200, 125068800, 127413840, 135908096, 159267300, 169885120, 203862144, 212356400, 254827680, 271816192, 318534600, 339770240, 407724288, 424712800, 509655360, 637069200, 679540480, 815448576, 849425600, 1019310720, 1274138400, 1359080960, 1698851200, 2038621440, 2548276800, 3397702400, 4077242880, 5096553600, 6795404800, 10193107200, 20386214400]

約数ペア:

[(1, 20386214400), (2, 10193107200), (3, 6795404800), (4, 5096553600), (5, 4077242880), (6, 3397702400), (8, 2548276800), (10, 2038621440), (12, 1698851200), (15, 1359080960), (16, 1274138400), (20, 1019310720), (24, 849425600), (25, 815448576), (30, 679540480), (32, 637069200), (40, 509655360), (48, 424712800), (50, 407724288), (60, 339770240), (64, 318534600), (75, 271816192), (80, 254827680), (96, 212356400), (100, 203862144), (120, 169885120), (128, 159267300), (150, 135908096), (160, 127413840), (163, 125068800), (192, 106178200), (200, 101931072), (240, 84942560), (256, 79633650), (300, 67954048), (320, 63706920), (326, 62534400), (384, 53089100), (400, 50965536), (480, 42471280), (489, 41689600), (512, 39816825), (600, 33977024), (640, 31853460), (652, 31267200), (768, 26544550), (800, 25482768), (815, 25013760), (960, 21235640), (978, 20844800), (1200, 16988512), (1280, 15926730), (1304, 15633600), (1536, 13272275), (1600, 12741384), (1630, 12506880), (1920, 10617820), (1956, 10422400), (2400, 8494256), (2445, 8337920), (2560, 7963365), (2608, 7816800), (3200, 6370692), (3257, 6259200), (3260, 6253440), (3840, 5308910), (3912, 5211200), (4075, 5002752), (4800, 4247128), (4890, 4168960), (5216, 3908400), (6400, 3185346), (6514, 3129600), (6520, 3126720), (7680, 2654455), (7824, 2605600), (8150, 2501376), (9600, 2123564), (9771, 2086400), (9780, 2084480), (10432, 1954200), (12225, 1667584), (12800, 1592673), (13028, 1564800), (13040, 1563360), (15648, 1302800), (16285, 1251840), (16300, 1250688), (19200, 1061782), (19542, 1043200), (19560, 1042240), (20864, 977100), (24450, 833792), (26056, 782400), (26080, 781680), (31296, 651400), (32570, 625920), (32600, 625344), (38400, 530891), (39084, 521600), (39120, 521120), (41728, 488550), (48855, 417280), (48900, 416896), (52112, 391200), (52160, 390840), (62592, 325700), (65140, 312960), (65200, 312672), (78168, 260800), (78240, 260560), (81425, 250368), (83456, 244275), (97710, 208640), (97800, 208448), (104224, 195600), (104320, 195420), (125184, 162850), (130280, 156480), (130400, 156336)]