80639680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:798

約数の個数: 112

約数和(自身を含む): 216529920

約数和(自身を除く): 135890240

約数列:

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

約数ペア:

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