39720330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2040

約数の個数: 96

約数和(自身を含む): 117818064

約数和(自身を除く): 78097734

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1105, 1170, 1326, 1530, 1989, 1997, 2210, 3315, 3978, 3994, 5991, 6630, 9945, 9985, 11982, 17973, 19890, 19970, 25961, 29955, 33949, 35946, 51922, 59910, 67898, 77883, 89865, 101847, 129805, 155766, 169745, 179730, 203694, 233649, 259610, 305541, 339490, 389415, 441337, 467298, 509235, 611082, 778830, 882674, 1018470, 1168245, 1324011, 1527705, 2206685, 2336490, 2648022, 3055410, 3972033, 4413370, 6620055, 7944066, 13240110, 19860165, 39720330]

約数ペア:

[(1, 39720330), (2, 19860165), (3, 13240110), (5, 7944066), (6, 6620055), (9, 4413370), (10, 3972033), (13, 3055410), (15, 2648022), (17, 2336490), (18, 2206685), (26, 1527705), (30, 1324011), (34, 1168245), (39, 1018470), (45, 882674), (51, 778830), (65, 611082), (78, 509235), (85, 467298), (90, 441337), (102, 389415), (117, 339490), (130, 305541), (153, 259610), (170, 233649), (195, 203694), (221, 179730), (234, 169745), (255, 155766), (306, 129805), (390, 101847), (442, 89865), (510, 77883), (585, 67898), (663, 59910), (765, 51922), (1105, 35946), (1170, 33949), (1326, 29955), (1530, 25961), (1989, 19970), (1997, 19890), (2210, 17973), (3315, 11982), (3978, 9985), (3994, 9945), (5991, 6630)]