81315930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 211667904

約数和(自身を除く): 130351974

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 83, 85, 102, 113, 166, 170, 226, 249, 255, 289, 339, 415, 498, 510, 565, 578, 678, 830, 867, 1130, 1245, 1411, 1445, 1695, 1734, 1921, 2490, 2822, 2890, 3390, 3842, 4233, 4335, 5763, 7055, 8466, 8670, 9379, 9605, 11526, 14110, 18758, 19210, 21165, 23987, 28137, 28815, 32657, 42330, 46895, 47974, 56274, 57630, 65314, 71961, 93790, 97971, 119935, 140685, 143922, 159443, 163285, 195942, 239870, 281370, 318886, 326570, 359805, 478329, 489855, 719610, 797215, 956658, 979710, 1594430, 2391645, 2710531, 4783290, 5421062, 8131593, 13552655, 16263186, 27105310, 40657965, 81315930]

約数ペア:

[(1, 81315930), (2, 40657965), (3, 27105310), (5, 16263186), (6, 13552655), (10, 8131593), (15, 5421062), (17, 4783290), (30, 2710531), (34, 2391645), (51, 1594430), (83, 979710), (85, 956658), (102, 797215), (113, 719610), (166, 489855), (170, 478329), (226, 359805), (249, 326570), (255, 318886), (289, 281370), (339, 239870), (415, 195942), (498, 163285), (510, 159443), (565, 143922), (578, 140685), (678, 119935), (830, 97971), (867, 93790), (1130, 71961), (1245, 65314), (1411, 57630), (1445, 56274), (1695, 47974), (1734, 46895), (1921, 42330), (2490, 32657), (2822, 28815), (2890, 28137), (3390, 23987), (3842, 21165), (4233, 19210), (4335, 18758), (5763, 14110), (7055, 11526), (8466, 9605), (8670, 9379)]