66967720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 159304320

約数和(自身を除く): 92336600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 230, 332, 415, 460, 664, 830, 877, 920, 1660, 1754, 1909, 3320, 3508, 3818, 4385, 7016, 7636, 8770, 9545, 15272, 17540, 19090, 20171, 35080, 38180, 40342, 72791, 76360, 80684, 100855, 145582, 161368, 201710, 291164, 363955, 403420, 582328, 727910, 806840, 1455820, 1674193, 2911640, 3348386, 6696772, 8370965, 13393544, 16741930, 33483860, 66967720]

約数ペア:

[(1, 66967720), (2, 33483860), (4, 16741930), (5, 13393544), (8, 8370965), (10, 6696772), (20, 3348386), (23, 2911640), (40, 1674193), (46, 1455820), (83, 806840), (92, 727910), (115, 582328), (166, 403420), (184, 363955), (230, 291164), (332, 201710), (415, 161368), (460, 145582), (664, 100855), (830, 80684), (877, 76360), (920, 72791), (1660, 40342), (1754, 38180), (1909, 35080), (3320, 20171), (3508, 19090), (3818, 17540), (4385, 15272), (7016, 9545), (7636, 8770)]