1971902080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9539}}^1$

素因数の和:9594

約数の個数: 128

約数和(自身を含む): 5254632000

約数和(自身を除く): 3282729920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1088, 1216, 1292, 1360, 1520, 1615, 2176, 2432, 2584, 2720, 3040, 3230, 5168, 5440, 6080, 6460, 9539, 10336, 10880, 12160, 12920, 19078, 20672, 25840, 38156, 41344, 47695, 51680, 76312, 95390, 103360, 152624, 162163, 181241, 190780, 206720, 305248, 324326, 362482, 381560, 610496, 648652, 724964, 763120, 810815, 906205, 1220992, 1297304, 1449928, 1526240, 1621630, 1812410, 2594608, 2899856, 3052480, 3081097, 3243260, 3624820, 5189216, 5799712, 6104960, 6162194, 6486520, 7249640, 10378432, 11599424, 12324388, 12973040, 14499280, 15405485, 20756864, 23198848, 24648776, 25946080, 28998560, 30810970, 49297552, 51892160, 57997120, 61621940, 98595104, 103784320, 115994240, 123243880, 197190208, 246487760, 394380416, 492975520, 985951040, 1971902080]

約数ペア:

[(1, 1971902080), (2, 985951040), (4, 492975520), (5, 394380416), (8, 246487760), (10, 197190208), (16, 123243880), (17, 115994240), (19, 103784320), (20, 98595104), (32, 61621940), (34, 57997120), (38, 51892160), (40, 49297552), (64, 30810970), (68, 28998560), (76, 25946080), (80, 24648776), (85, 23198848), (95, 20756864), (128, 15405485), (136, 14499280), (152, 12973040), (160, 12324388), (170, 11599424), (190, 10378432), (272, 7249640), (304, 6486520), (320, 6162194), (323, 6104960), (340, 5799712), (380, 5189216), (544, 3624820), (608, 3243260), (640, 3081097), (646, 3052480), (680, 2899856), (760, 2594608), (1088, 1812410), (1216, 1621630), (1292, 1526240), (1360, 1449928), (1520, 1297304), (1615, 1220992), (2176, 906205), (2432, 810815), (2584, 763120), (2720, 724964), (3040, 648652), (3230, 610496), (5168, 381560), (5440, 362482), (6080, 324326), (6460, 305248), (9539, 206720), (10336, 190780), (10880, 181241), (12160, 162163), (12920, 152624), (19078, 103360), (20672, 95390), (25840, 76312), (38156, 51680), (41344, 47695)]