68728140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1328

約数の個数: 144

約数和(自身を含む): 234456768

約数和(自身を除く): 165728628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 585, 598, 690, 780, 828, 897, 1035, 1170, 1196, 1277, 1380, 1495, 1794, 2070, 2340, 2554, 2691, 2990, 3588, 3831, 4140, 4485, 5108, 5382, 5980, 6385, 7662, 8970, 10764, 11493, 12770, 13455, 15324, 16601, 17940, 19155, 22986, 25540, 26910, 29371, 33202, 38310, 45972, 49803, 53820, 57465, 58742, 66404, 76620, 83005, 88113, 99606, 114930, 117484, 146855, 149409, 166010, 176226, 199212, 229860, 249015, 264339, 293710, 298818, 332020, 352452, 381823, 440565, 498030, 528678, 587420, 597636, 747045, 763646, 881130, 996060, 1057356, 1145469, 1321695, 1494090, 1527292, 1762260, 1909115, 2290938, 2643390, 2988180, 3436407, 3818230, 4581876, 5286780, 5727345, 6872814, 7636460, 11454690, 13745628, 17182035, 22909380, 34364070, 68728140]

約数ペア:

[(1, 68728140), (2, 34364070), (3, 22909380), (4, 17182035), (5, 13745628), (6, 11454690), (9, 7636460), (10, 6872814), (12, 5727345), (13, 5286780), (15, 4581876), (18, 3818230), (20, 3436407), (23, 2988180), (26, 2643390), (30, 2290938), (36, 1909115), (39, 1762260), (45, 1527292), (46, 1494090), (52, 1321695), (60, 1145469), (65, 1057356), (69, 996060), (78, 881130), (90, 763646), (92, 747045), (115, 597636), (117, 587420), (130, 528678), (138, 498030), (156, 440565), (180, 381823), (195, 352452), (207, 332020), (230, 298818), (234, 293710), (260, 264339), (276, 249015), (299, 229860), (345, 199212), (390, 176226), (414, 166010), (460, 149409), (468, 146855), (585, 117484), (598, 114930), (690, 99606), (780, 88113), (828, 83005), (897, 76620), (1035, 66404), (1170, 58742), (1196, 57465), (1277, 53820), (1380, 49803), (1495, 45972), (1794, 38310), (2070, 33202), (2340, 29371), (2554, 26910), (2691, 25540), (2990, 22986), (3588, 19155), (3831, 17940), (4140, 16601), (4485, 15324), (5108, 13455), (5382, 12770), (5980, 11493), (6385, 10764), (7662, 8970)]