42123456

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1323

約数の個数: 112

約数和(自身を含む): 130454400

約数和(自身を除く): 88330944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 144, 152, 171, 192, 216, 228, 288, 304, 342, 432, 456, 513, 576, 608, 684, 864, 912, 1026, 1216, 1283, 1368, 1728, 1824, 2052, 2566, 2736, 3648, 3849, 4104, 5132, 5472, 7698, 8208, 10264, 10944, 11547, 15396, 16416, 20528, 23094, 24377, 30792, 32832, 34641, 41056, 46188, 48754, 61584, 69282, 73131, 82112, 92376, 97508, 123168, 138564, 146262, 184752, 195016, 219393, 246336, 277128, 292524, 369504, 390032, 438786, 554256, 585048, 658179, 739008, 780064, 877572, 1108512, 1170096, 1316358, 1560128, 1755144, 2217024, 2340192, 2632716, 3510288, 4680384, 5265432, 7020576, 10530864, 14041152, 21061728, 42123456]

約数ペア:

[(1, 42123456), (2, 21061728), (3, 14041152), (4, 10530864), (6, 7020576), (8, 5265432), (9, 4680384), (12, 3510288), (16, 2632716), (18, 2340192), (19, 2217024), (24, 1755144), (27, 1560128), (32, 1316358), (36, 1170096), (38, 1108512), (48, 877572), (54, 780064), (57, 739008), (64, 658179), (72, 585048), (76, 554256), (96, 438786), (108, 390032), (114, 369504), (144, 292524), (152, 277128), (171, 246336), (192, 219393), (216, 195016), (228, 184752), (288, 146262), (304, 138564), (342, 123168), (432, 97508), (456, 92376), (513, 82112), (576, 73131), (608, 69282), (684, 61584), (864, 48754), (912, 46188), (1026, 41056), (1216, 34641), (1283, 32832), (1368, 30792), (1728, 24377), (1824, 23094), (2052, 20528), (2566, 16416), (2736, 15396), (3648, 11547), (3849, 10944), (4104, 10264), (5132, 8208), (5472, 7698)]