161279360

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:800

約数の個数: 128

約数和(自身を含む): 434764800

約数和(自身を除く): 273485440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 739, 880, 992, 1240, 1364, 1408, 1478, 1705, 1760, 1984, 2480, 2728, 2956, 3410, 3520, 3695, 3968, 4960, 5456, 5912, 6820, 7040, 7390, 8129, 9920, 10912, 11824, 13640, 14780, 16258, 19840, 21824, 22909, 23648, 27280, 29560, 32516, 40645, 43648, 45818, 47296, 54560, 59120, 65032, 81290, 91636, 94592, 109120, 114545, 118240, 130064, 162580, 183272, 218240, 229090, 236480, 251999, 260128, 325160, 366544, 458180, 472960, 503998, 520256, 650320, 733088, 916360, 1007996, 1040512, 1259995, 1300640, 1466176, 1832720, 2015992, 2519990, 2601280, 2932352, 3665440, 4031984, 5039980, 5202560, 7330880, 8063968, 10079960, 14661760, 16127936, 20159920, 32255872, 40319840, 80639680, 161279360]

約数ペア:

[(1, 161279360), (2, 80639680), (4, 40319840), (5, 32255872), (8, 20159920), (10, 16127936), (11, 14661760), (16, 10079960), (20, 8063968), (22, 7330880), (31, 5202560), (32, 5039980), (40, 4031984), (44, 3665440), (55, 2932352), (62, 2601280), (64, 2519990), (80, 2015992), (88, 1832720), (110, 1466176), (124, 1300640), (128, 1259995), (155, 1040512), (160, 1007996), (176, 916360), (220, 733088), (248, 650320), (310, 520256), (320, 503998), (341, 472960), (352, 458180), (440, 366544), (496, 325160), (620, 260128), (640, 251999), (682, 236480), (704, 229090), (739, 218240), (880, 183272), (992, 162580), (1240, 130064), (1364, 118240), (1408, 114545), (1478, 109120), (1705, 94592), (1760, 91636), (1984, 81290), (2480, 65032), (2728, 59120), (2956, 54560), (3410, 47296), (3520, 45818), (3695, 43648), (3968, 40645), (4960, 32516), (5456, 29560), (5912, 27280), (6820, 23648), (7040, 22909), (7390, 21824), (8129, 19840), (9920, 16258), (10912, 14780), (11824, 13640)]