80993080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 224139960

約数和(自身を除く): 143146880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 49, 56, 62, 70, 86, 98, 124, 140, 155, 172, 196, 215, 217, 245, 248, 280, 301, 310, 344, 392, 430, 434, 490, 602, 620, 860, 868, 961, 980, 1085, 1204, 1240, 1333, 1505, 1519, 1720, 1736, 1922, 1960, 2107, 2170, 2408, 2666, 3010, 3038, 3844, 4214, 4340, 4805, 5332, 6020, 6076, 6665, 6727, 7595, 7688, 8428, 8680, 9331, 9610, 10535, 10664, 12040, 12152, 13330, 13454, 15190, 16856, 18662, 19220, 21070, 26660, 26908, 30380, 33635, 37324, 38440, 41323, 42140, 46655, 47089, 53320, 53816, 60760, 65317, 67270, 74648, 82646, 84280, 93310, 94178, 130634, 134540, 165292, 186620, 188356, 206615, 235445, 261268, 269080, 289261, 326585, 330584, 373240, 376712, 413230, 470890, 522536, 578522, 653170, 826460, 941780, 1157044, 1306340, 1446305, 1652920, 1883560, 2024827, 2314088, 2612680, 2892610, 4049654, 5785220, 8099308, 10124135, 11570440, 16198616, 20248270, 40496540, 80993080]

約数ペア:

[(1, 80993080), (2, 40496540), (4, 20248270), (5, 16198616), (7, 11570440), (8, 10124135), (10, 8099308), (14, 5785220), (20, 4049654), (28, 2892610), (31, 2612680), (35, 2314088), (40, 2024827), (43, 1883560), (49, 1652920), (56, 1446305), (62, 1306340), (70, 1157044), (86, 941780), (98, 826460), (124, 653170), (140, 578522), (155, 522536), (172, 470890), (196, 413230), (215, 376712), (217, 373240), (245, 330584), (248, 326585), (280, 289261), (301, 269080), (310, 261268), (344, 235445), (392, 206615), (430, 188356), (434, 186620), (490, 165292), (602, 134540), (620, 130634), (860, 94178), (868, 93310), (961, 84280), (980, 82646), (1085, 74648), (1204, 67270), (1240, 65317), (1333, 60760), (1505, 53816), (1519, 53320), (1720, 47089), (1736, 46655), (1922, 42140), (1960, 41323), (2107, 38440), (2170, 37324), (2408, 33635), (2666, 30380), (3010, 26908), (3038, 26660), (3844, 21070), (4214, 19220), (4340, 18662), (4805, 16856), (5332, 15190), (6020, 13454), (6076, 13330), (6665, 12152), (6727, 12040), (7595, 10664), (7688, 10535), (8428, 9610), (8680, 9331)]