81398736

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 160

約数和(自身を含む): 252364800

約数和(自身を除く): 170966064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 47, 48, 54, 57, 72, 76, 94, 108, 114, 141, 144, 152, 171, 188, 211, 216, 228, 282, 304, 342, 376, 422, 423, 432, 456, 513, 564, 633, 684, 752, 844, 846, 893, 912, 1026, 1128, 1266, 1269, 1368, 1688, 1692, 1786, 1899, 2052, 2256, 2532, 2538, 2679, 2736, 3376, 3384, 3572, 3798, 4009, 4104, 5064, 5076, 5358, 5697, 6768, 7144, 7596, 8018, 8037, 8208, 9917, 10128, 10152, 10716, 11394, 12027, 14288, 15192, 16036, 16074, 19834, 20304, 21432, 22788, 24054, 24111, 29751, 30384, 32072, 32148, 36081, 39668, 42864, 45576, 48108, 48222, 59502, 64144, 64296, 72162, 79336, 89253, 91152, 96216, 96444, 108243, 119004, 128592, 144324, 158672, 178506, 188423, 192432, 192888, 216486, 238008, 267759, 288648, 357012, 376846, 385776, 432972, 476016, 535518, 565269, 577296, 714024, 753692, 865944, 1071036, 1130538, 1428048, 1507384, 1695807, 1731888, 2142072, 2261076, 3014768, 3391614, 4284144, 4522152, 5087421, 6783228, 9044304, 10174842, 13566456, 20349684, 27132912, 40699368, 81398736]

約数ペア:

[(1, 81398736), (2, 40699368), (3, 27132912), (4, 20349684), (6, 13566456), (8, 10174842), (9, 9044304), (12, 6783228), (16, 5087421), (18, 4522152), (19, 4284144), (24, 3391614), (27, 3014768), (36, 2261076), (38, 2142072), (47, 1731888), (48, 1695807), (54, 1507384), (57, 1428048), (72, 1130538), (76, 1071036), (94, 865944), (108, 753692), (114, 714024), (141, 577296), (144, 565269), (152, 535518), (171, 476016), (188, 432972), (211, 385776), (216, 376846), (228, 357012), (282, 288648), (304, 267759), (342, 238008), (376, 216486), (422, 192888), (423, 192432), (432, 188423), (456, 178506), (513, 158672), (564, 144324), (633, 128592), (684, 119004), (752, 108243), (844, 96444), (846, 96216), (893, 91152), (912, 89253), (1026, 79336), (1128, 72162), (1266, 64296), (1269, 64144), (1368, 59502), (1688, 48222), (1692, 48108), (1786, 45576), (1899, 42864), (2052, 39668), (2256, 36081), (2532, 32148), (2538, 32072), (2679, 30384), (2736, 29751), (3376, 24111), (3384, 24054), (3572, 22788), (3798, 21432), (4009, 20304), (4104, 19834), (5064, 16074), (5076, 16036), (5358, 15192), (5697, 14288), (6768, 12027), (7144, 11394), (7596, 10716), (8018, 10152), (8037, 10128), (8208, 9917)]