21590080

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 112

約数和(自身を含む): 55961280

約数和(自身を除く): 34371200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 67, 76, 80, 95, 106, 134, 152, 160, 190, 212, 265, 268, 304, 320, 335, 380, 424, 530, 536, 608, 670, 760, 848, 1007, 1060, 1072, 1216, 1273, 1340, 1520, 1696, 2014, 2120, 2144, 2546, 2680, 3040, 3392, 3551, 4028, 4240, 4288, 5035, 5092, 5360, 6080, 6365, 7102, 8056, 8480, 10070, 10184, 10720, 12730, 14204, 16112, 16960, 17755, 20140, 20368, 21440, 25460, 28408, 32224, 35510, 40280, 40736, 50920, 56816, 64448, 67469, 71020, 80560, 81472, 101840, 113632, 134938, 142040, 161120, 203680, 227264, 269876, 284080, 322240, 337345, 407360, 539752, 568160, 674690, 1079504, 1136320, 1349380, 2159008, 2698760, 4318016, 5397520, 10795040, 21590080]

約数ペア:

[(1, 21590080), (2, 10795040), (4, 5397520), (5, 4318016), (8, 2698760), (10, 2159008), (16, 1349380), (19, 1136320), (20, 1079504), (32, 674690), (38, 568160), (40, 539752), (53, 407360), (64, 337345), (67, 322240), (76, 284080), (80, 269876), (95, 227264), (106, 203680), (134, 161120), (152, 142040), (160, 134938), (190, 113632), (212, 101840), (265, 81472), (268, 80560), (304, 71020), (320, 67469), (335, 64448), (380, 56816), (424, 50920), (530, 40736), (536, 40280), (608, 35510), (670, 32224), (760, 28408), (848, 25460), (1007, 21440), (1060, 20368), (1072, 20140), (1216, 17755), (1273, 16960), (1340, 16112), (1520, 14204), (1696, 12730), (2014, 10720), (2120, 10184), (2144, 10070), (2546, 8480), (2680, 8056), (3040, 7102), (3392, 6365), (3551, 6080), (4028, 5360), (4240, 5092), (4288, 5035)]