42340140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3313}}^1$

素因数の和:3399

約数の個数: 72

約数和(自身を含む): 130279968

約数和(自身を除く): 87939828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 3313, 4260, 6390, 6626, 9939, 12780, 13252, 16565, 19878, 29817, 33130, 39756, 49695, 59634, 66260, 99390, 119268, 149085, 198780, 235223, 298170, 470446, 596340, 705669, 940892, 1176115, 1411338, 2117007, 2352230, 2822676, 3528345, 4234014, 4704460, 7056690, 8468028, 10585035, 14113380, 21170070, 42340140]

約数ペア:

[(1, 42340140), (2, 21170070), (3, 14113380), (4, 10585035), (5, 8468028), (6, 7056690), (9, 4704460), (10, 4234014), (12, 3528345), (15, 2822676), (18, 2352230), (20, 2117007), (30, 1411338), (36, 1176115), (45, 940892), (60, 705669), (71, 596340), (90, 470446), (142, 298170), (180, 235223), (213, 198780), (284, 149085), (355, 119268), (426, 99390), (639, 66260), (710, 59634), (852, 49695), (1065, 39756), (1278, 33130), (1420, 29817), (2130, 19878), (2556, 16565), (3195, 13252), (3313, 12780), (4260, 9939), (6390, 6626)]