177195720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1171}}^1$

素因数の和:1295

約数の個数: 128

約数和(自身を含む): 578874240

約数和(自身を除く): 401678520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 97, 104, 120, 130, 156, 194, 195, 260, 291, 312, 388, 390, 485, 520, 582, 776, 780, 970, 1164, 1171, 1261, 1455, 1560, 1940, 2328, 2342, 2522, 2910, 3513, 3783, 3880, 4684, 5044, 5820, 5855, 6305, 7026, 7566, 9368, 10088, 11640, 11710, 12610, 14052, 15132, 15223, 17565, 18915, 23420, 25220, 28104, 30264, 30446, 35130, 37830, 45669, 46840, 50440, 60892, 70260, 75660, 76115, 91338, 113587, 121784, 140520, 151320, 152230, 182676, 227174, 228345, 304460, 340761, 365352, 454348, 456690, 567935, 608920, 681522, 908696, 913380, 1135870, 1363044, 1476631, 1703805, 1826760, 2271740, 2726088, 2953262, 3407610, 4429893, 4543480, 5906524, 6815220, 7383155, 8859786, 11813048, 13630440, 14766310, 17719572, 22149465, 29532620, 35439144, 44298930, 59065240, 88597860, 177195720]

約数ペア:

[(1, 177195720), (2, 88597860), (3, 59065240), (4, 44298930), (5, 35439144), (6, 29532620), (8, 22149465), (10, 17719572), (12, 14766310), (13, 13630440), (15, 11813048), (20, 8859786), (24, 7383155), (26, 6815220), (30, 5906524), (39, 4543480), (40, 4429893), (52, 3407610), (60, 2953262), (65, 2726088), (78, 2271740), (97, 1826760), (104, 1703805), (120, 1476631), (130, 1363044), (156, 1135870), (194, 913380), (195, 908696), (260, 681522), (291, 608920), (312, 567935), (388, 456690), (390, 454348), (485, 365352), (520, 340761), (582, 304460), (776, 228345), (780, 227174), (970, 182676), (1164, 152230), (1171, 151320), (1261, 140520), (1455, 121784), (1560, 113587), (1940, 91338), (2328, 76115), (2342, 75660), (2522, 70260), (2910, 60892), (3513, 50440), (3783, 46840), (3880, 45669), (4684, 37830), (5044, 35130), (5820, 30446), (5855, 30264), (6305, 28104), (7026, 25220), (7566, 23420), (9368, 18915), (10088, 17565), (11640, 15223), (11710, 15132), (12610, 14052)]