20538998400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{5231}}^1$

素因数の和:5667

約数の個数: 192

約数和(自身を含む): 67828694400

約数和(自身を除く): 47289696000

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, 192, 200, 240, 300, 320, 384, 400, 409, 480, 600, 640, 800, 818, 960, 1200, 1227, 1600, 1636, 1920, 2045, 2400, 2454, 3200, 3272, 4090, 4800, 4908, 5231, 6135, 6544, 8180, 9600, 9816, 10225, 10462, 12270, 13088, 15693, 16360, 19632, 20450, 20924, 24540, 26155, 26176, 30675, 31386, 32720, 39264, 40900, 41848, 49080, 52310, 52352, 61350, 62772, 65440, 78465, 78528, 81800, 83696, 98160, 104620, 122700, 125544, 130775, 130880, 156930, 157056, 163600, 167392, 196320, 209240, 245400, 251088, 261550, 261760, 313860, 327200, 334784, 392325, 392640, 418480, 490800, 502176, 523100, 627720, 654400, 669568, 784650, 785280, 836960, 981600, 1004352, 1046200, 1255440, 1308800, 1569300, 1673920, 1963200, 2008704, 2092400, 2139479, 2510880, 3138600, 3347840, 3926400, 4184800, 4278958, 5021760, 6277200, 6418437, 8369600, 8557916, 10043520, 10697395, 12554400, 12836874, 16739200, 17115832, 21394790, 25108800, 25673748, 32092185, 34231664, 42789580, 50217600, 51347496, 53486975, 64184370, 68463328, 85579160, 102694992, 106973950, 128368740, 136926656, 160460925, 171158320, 205389984, 213947900, 256737480, 273853312, 320921850, 342316640, 410779968, 427895800, 513474960, 641843700, 684633280, 821559936, 855791600, 1026949920, 1283687400, 1369266560, 1711583200, 2053899840, 2567374800, 3423166400, 4107799680, 5134749600, 6846332800, 10269499200, 20538998400]

約数ペア:

[(1, 20538998400), (2, 10269499200), (3, 6846332800), (4, 5134749600), (5, 4107799680), (6, 3423166400), (8, 2567374800), (10, 2053899840), (12, 1711583200), (15, 1369266560), (16, 1283687400), (20, 1026949920), (24, 855791600), (25, 821559936), (30, 684633280), (32, 641843700), (40, 513474960), (48, 427895800), (50, 410779968), (60, 342316640), (64, 320921850), (75, 273853312), (80, 256737480), (96, 213947900), (100, 205389984), (120, 171158320), (128, 160460925), (150, 136926656), (160, 128368740), (192, 106973950), (200, 102694992), (240, 85579160), (300, 68463328), (320, 64184370), (384, 53486975), (400, 51347496), (409, 50217600), (480, 42789580), (600, 34231664), (640, 32092185), (800, 25673748), (818, 25108800), (960, 21394790), (1200, 17115832), (1227, 16739200), (1600, 12836874), (1636, 12554400), (1920, 10697395), (2045, 10043520), (2400, 8557916), (2454, 8369600), (3200, 6418437), (3272, 6277200), (4090, 5021760), (4800, 4278958), (4908, 4184800), (5231, 3926400), (6135, 3347840), (6544, 3138600), (8180, 2510880), (9600, 2139479), (9816, 2092400), (10225, 2008704), (10462, 1963200), (12270, 1673920), (13088, 1569300), (15693, 1308800), (16360, 1255440), (19632, 1046200), (20450, 1004352), (20924, 981600), (24540, 836960), (26155, 785280), (26176, 784650), (30675, 669568), (31386, 654400), (32720, 627720), (39264, 523100), (40900, 502176), (41848, 490800), (49080, 418480), (52310, 392640), (52352, 392325), (61350, 334784), (62772, 327200), (65440, 313860), (78465, 261760), (78528, 261550), (81800, 251088), (83696, 245400), (98160, 209240), (104620, 196320), (122700, 167392), (125544, 163600), (130775, 157056), (130880, 156930)]