56971980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 188776224

約数和(自身を除く): 131804244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 97, 117, 130, 156, 180, 194, 195, 234, 251, 260, 291, 388, 390, 468, 485, 502, 582, 585, 753, 780, 873, 970, 1004, 1164, 1170, 1255, 1261, 1455, 1506, 1746, 1940, 2259, 2340, 2510, 2522, 2910, 3012, 3263, 3492, 3765, 3783, 4365, 4518, 5020, 5044, 5820, 6305, 6526, 7530, 7566, 8730, 9036, 9789, 11295, 11349, 12610, 13052, 15060, 15132, 16315, 17460, 18915, 19578, 22590, 22698, 24347, 25220, 29367, 32630, 37830, 39156, 45180, 45396, 48694, 48945, 56745, 58734, 65260, 73041, 75660, 97388, 97890, 113490, 117468, 121735, 146082, 146835, 195780, 219123, 226980, 243470, 292164, 293670, 316511, 365205, 438246, 486940, 587340, 633022, 730410, 876492, 949533, 1095615, 1266044, 1460820, 1582555, 1899066, 2191230, 2848599, 3165110, 3798132, 4382460, 4747665, 5697198, 6330220, 9495330, 11394396, 14242995, 18990660, 28485990, 56971980]

約数ペア:

[(1, 56971980), (2, 28485990), (3, 18990660), (4, 14242995), (5, 11394396), (6, 9495330), (9, 6330220), (10, 5697198), (12, 4747665), (13, 4382460), (15, 3798132), (18, 3165110), (20, 2848599), (26, 2191230), (30, 1899066), (36, 1582555), (39, 1460820), (45, 1266044), (52, 1095615), (60, 949533), (65, 876492), (78, 730410), (90, 633022), (97, 587340), (117, 486940), (130, 438246), (156, 365205), (180, 316511), (194, 293670), (195, 292164), (234, 243470), (251, 226980), (260, 219123), (291, 195780), (388, 146835), (390, 146082), (468, 121735), (485, 117468), (502, 113490), (582, 97890), (585, 97388), (753, 75660), (780, 73041), (873, 65260), (970, 58734), (1004, 56745), (1164, 48945), (1170, 48694), (1255, 45396), (1261, 45180), (1455, 39156), (1506, 37830), (1746, 32630), (1940, 29367), (2259, 25220), (2340, 24347), (2510, 22698), (2522, 22590), (2910, 19578), (3012, 18915), (3263, 17460), (3492, 16315), (3765, 15132), (3783, 15060), (4365, 13052), (4518, 12610), (5020, 11349), (5044, 11295), (5820, 9789), (6305, 9036), (6526, 8730), (7530, 7566)]