79806780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:596

約数の個数: 144

約数和(自身を含む): 259930944

約数和(自身を除く): 180124164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 138, 148, 180, 185, 207, 222, 230, 276, 333, 345, 370, 414, 444, 460, 521, 555, 666, 690, 740, 828, 851, 1035, 1042, 1110, 1332, 1380, 1563, 1665, 1702, 2070, 2084, 2220, 2553, 2605, 3126, 3330, 3404, 4140, 4255, 4689, 5106, 5210, 6252, 6660, 7659, 7815, 8510, 9378, 10212, 10420, 11983, 12765, 15318, 15630, 17020, 18756, 19277, 23445, 23966, 25530, 30636, 31260, 35949, 38295, 38554, 46890, 47932, 51060, 57831, 59915, 71898, 76590, 77108, 93780, 96385, 107847, 115662, 119830, 143796, 153180, 173493, 179745, 192770, 215694, 231324, 239660, 289155, 346986, 359490, 385540, 431388, 443371, 539235, 578310, 693972, 718980, 867465, 886742, 1078470, 1156620, 1330113, 1734930, 1773484, 2156940, 2216855, 2660226, 3469860, 3990339, 4433710, 5320452, 6650565, 7980678, 8867420, 13301130, 15961356, 19951695, 26602260, 39903390, 79806780]

約数ペア:

[(1, 79806780), (2, 39903390), (3, 26602260), (4, 19951695), (5, 15961356), (6, 13301130), (9, 8867420), (10, 7980678), (12, 6650565), (15, 5320452), (18, 4433710), (20, 3990339), (23, 3469860), (30, 2660226), (36, 2216855), (37, 2156940), (45, 1773484), (46, 1734930), (60, 1330113), (69, 1156620), (74, 1078470), (90, 886742), (92, 867465), (111, 718980), (115, 693972), (138, 578310), (148, 539235), (180, 443371), (185, 431388), (207, 385540), (222, 359490), (230, 346986), (276, 289155), (333, 239660), (345, 231324), (370, 215694), (414, 192770), (444, 179745), (460, 173493), (521, 153180), (555, 143796), (666, 119830), (690, 115662), (740, 107847), (828, 96385), (851, 93780), (1035, 77108), (1042, 76590), (1110, 71898), (1332, 59915), (1380, 57831), (1563, 51060), (1665, 47932), (1702, 46890), (2070, 38554), (2084, 38295), (2220, 35949), (2553, 31260), (2605, 30636), (3126, 25530), (3330, 23966), (3404, 23445), (4140, 19277), (4255, 18756), (4689, 17020), (5106, 15630), (5210, 15318), (6252, 12765), (6660, 11983), (7659, 10420), (7815, 10212), (8510, 9378)]