81545772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 244532736

約数和(自身を除く): 162986964

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 71, 77, 84, 113, 121, 132, 142, 154, 213, 226, 231, 242, 284, 308, 339, 363, 426, 452, 462, 484, 497, 678, 726, 781, 791, 847, 852, 924, 994, 1243, 1356, 1452, 1491, 1562, 1582, 1694, 1988, 2343, 2373, 2486, 2541, 2982, 3124, 3164, 3388, 3729, 4686, 4746, 4972, 5082, 5467, 5964, 7458, 8023, 8591, 8701, 9372, 9492, 10164, 10934, 13673, 14916, 16046, 16401, 17182, 17402, 21868, 24069, 25773, 26103, 27346, 32092, 32802, 34364, 34804, 41019, 48138, 51546, 52206, 54692, 56161, 60137, 65604, 82038, 88253, 95711, 96276, 103092, 104412, 112322, 120274, 164076, 168483, 176506, 180411, 191422, 224644, 240548, 264759, 287133, 336966, 353012, 360822, 382844, 529518, 574266, 617771, 673932, 721644, 970783, 1059036, 1148532, 1235542, 1853313, 1941566, 2471084, 2912349, 3706626, 3883132, 5824698, 6795481, 7413252, 11649396, 13590962, 20386443, 27181924, 40772886, 81545772]

約数ペア:

[(1, 81545772), (2, 40772886), (3, 27181924), (4, 20386443), (6, 13590962), (7, 11649396), (11, 7413252), (12, 6795481), (14, 5824698), (21, 3883132), (22, 3706626), (28, 2912349), (33, 2471084), (42, 1941566), (44, 1853313), (66, 1235542), (71, 1148532), (77, 1059036), (84, 970783), (113, 721644), (121, 673932), (132, 617771), (142, 574266), (154, 529518), (213, 382844), (226, 360822), (231, 353012), (242, 336966), (284, 287133), (308, 264759), (339, 240548), (363, 224644), (426, 191422), (452, 180411), (462, 176506), (484, 168483), (497, 164076), (678, 120274), (726, 112322), (781, 104412), (791, 103092), (847, 96276), (852, 95711), (924, 88253), (994, 82038), (1243, 65604), (1356, 60137), (1452, 56161), (1491, 54692), (1562, 52206), (1582, 51546), (1694, 48138), (1988, 41019), (2343, 34804), (2373, 34364), (2486, 32802), (2541, 32092), (2982, 27346), (3124, 26103), (3164, 25773), (3388, 24069), (3729, 21868), (4686, 17402), (4746, 17182), (4972, 16401), (5082, 16046), (5467, 14916), (5964, 13673), (7458, 10934), (8023, 10164), (8591, 9492), (8701, 9372)]