79257080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 220078080

約数和(自身を除く): 140821000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 397, 434, 460, 620, 644, 713, 794, 805, 868, 920, 1085, 1240, 1288, 1426, 1588, 1610, 1736, 1985, 2170, 2779, 2852, 3176, 3220, 3565, 3970, 4340, 4991, 5558, 5704, 6440, 7130, 7940, 8680, 9131, 9982, 11116, 12307, 13895, 14260, 15880, 18262, 19964, 22232, 24614, 24955, 27790, 28520, 36524, 39928, 45655, 49228, 49910, 55580, 61535, 63917, 73048, 86149, 91310, 98456, 99820, 111160, 123070, 127834, 172298, 182620, 199640, 246140, 255668, 283061, 319585, 344596, 365240, 430745, 492280, 511336, 566122, 639170, 689192, 861490, 1132244, 1278340, 1415305, 1722980, 1981427, 2264488, 2556680, 2830610, 3445960, 3962854, 5661220, 7925708, 9907135, 11322440, 15851416, 19814270, 39628540, 79257080]

約数ペア:

[(1, 79257080), (2, 39628540), (4, 19814270), (5, 15851416), (7, 11322440), (8, 9907135), (10, 7925708), (14, 5661220), (20, 3962854), (23, 3445960), (28, 2830610), (31, 2556680), (35, 2264488), (40, 1981427), (46, 1722980), (56, 1415305), (62, 1278340), (70, 1132244), (92, 861490), (115, 689192), (124, 639170), (140, 566122), (155, 511336), (161, 492280), (184, 430745), (217, 365240), (230, 344596), (248, 319585), (280, 283061), (310, 255668), (322, 246140), (397, 199640), (434, 182620), (460, 172298), (620, 127834), (644, 123070), (713, 111160), (794, 99820), (805, 98456), (868, 91310), (920, 86149), (1085, 73048), (1240, 63917), (1288, 61535), (1426, 55580), (1588, 49910), (1610, 49228), (1736, 45655), (1985, 39928), (2170, 36524), (2779, 28520), (2852, 27790), (3176, 24955), (3220, 24614), (3565, 22232), (3970, 19964), (4340, 18262), (4991, 15880), (5558, 14260), (5704, 13895), (6440, 12307), (7130, 11116), (7940, 9982), (8680, 9131)]