20050448640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{71527}}^1$

素因数の和:71624

約数の個数: 144

約数和(自身を含む): 64914235008

約数和(自身を除く): 44863786368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 256, 292, 320, 365, 384, 438, 480, 584, 640, 730, 768, 876, 960, 1095, 1168, 1280, 1460, 1752, 1920, 2190, 2336, 2920, 3504, 3840, 4380, 4672, 5840, 7008, 8760, 9344, 11680, 14016, 17520, 18688, 23360, 28032, 35040, 46720, 56064, 70080, 71527, 93440, 140160, 143054, 214581, 280320, 286108, 357635, 429162, 572216, 715270, 858324, 1072905, 1144432, 1430540, 1716648, 2145810, 2288864, 2861080, 3433296, 4291620, 4577728, 5221471, 5722160, 6866592, 8583240, 9155456, 10442942, 11444320, 13733184, 15664413, 17166480, 18310912, 20885884, 22888640, 26107355, 27466368, 31328826, 34332960, 41771768, 45777280, 52214710, 54932736, 62657652, 68665920, 78322065, 83543536, 91554560, 104429420, 125315304, 137331840, 156644130, 167087072, 208858840, 250630608, 274663680, 313288260, 334174144, 417717680, 501261216, 626576520, 668348288, 835435360, 1002522432, 1253153040, 1336696576, 1670870720, 2005044864, 2506306080, 3341741440, 4010089728, 5012612160, 6683482880, 10025224320, 20050448640]

約数ペア:

[(1, 20050448640), (2, 10025224320), (3, 6683482880), (4, 5012612160), (5, 4010089728), (6, 3341741440), (8, 2506306080), (10, 2005044864), (12, 1670870720), (15, 1336696576), (16, 1253153040), (20, 1002522432), (24, 835435360), (30, 668348288), (32, 626576520), (40, 501261216), (48, 417717680), (60, 334174144), (64, 313288260), (73, 274663680), (80, 250630608), (96, 208858840), (120, 167087072), (128, 156644130), (146, 137331840), (160, 125315304), (192, 104429420), (219, 91554560), (240, 83543536), (256, 78322065), (292, 68665920), (320, 62657652), (365, 54932736), (384, 52214710), (438, 45777280), (480, 41771768), (584, 34332960), (640, 31328826), (730, 27466368), (768, 26107355), (876, 22888640), (960, 20885884), (1095, 18310912), (1168, 17166480), (1280, 15664413), (1460, 13733184), (1752, 11444320), (1920, 10442942), (2190, 9155456), (2336, 8583240), (2920, 6866592), (3504, 5722160), (3840, 5221471), (4380, 4577728), (4672, 4291620), (5840, 3433296), (7008, 2861080), (8760, 2288864), (9344, 2145810), (11680, 1716648), (14016, 1430540), (17520, 1144432), (18688, 1072905), (23360, 858324), (28032, 715270), (35040, 572216), (46720, 429162), (56064, 357635), (70080, 286108), (71527, 280320), (93440, 214581), (140160, 143054)]