87893820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:984

約数の個数: 144

約数和(自身を含む): 308904960

約数和(自身を除く): 221011140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 883, 948, 1106, 1185, 1260, 1422, 1580, 1659, 1766, 2212, 2370, 2649, 2765, 2844, 3318, 3532, 3555, 4415, 4740, 4977, 5298, 5530, 6181, 6636, 7110, 7947, 8295, 8830, 9954, 10596, 11060, 12362, 13245, 14220, 15894, 16590, 17660, 18543, 19908, 24724, 24885, 26490, 30905, 31788, 33180, 37086, 39735, 49770, 52980, 55629, 61810, 69757, 74172, 79470, 92715, 99540, 111258, 123620, 139514, 158940, 185430, 209271, 222516, 278145, 279028, 348785, 370860, 418542, 488299, 556290, 627813, 697570, 837084, 976598, 1046355, 1112580, 1255626, 1395140, 1464897, 1953196, 2092710, 2441495, 2511252, 2929794, 3139065, 4185420, 4394691, 4882990, 5859588, 6278130, 7324485, 8789382, 9765980, 12556260, 14648970, 17578764, 21973455, 29297940, 43946910, 87893820]

約数ペア:

[(1, 87893820), (2, 43946910), (3, 29297940), (4, 21973455), (5, 17578764), (6, 14648970), (7, 12556260), (9, 9765980), (10, 8789382), (12, 7324485), (14, 6278130), (15, 5859588), (18, 4882990), (20, 4394691), (21, 4185420), (28, 3139065), (30, 2929794), (35, 2511252), (36, 2441495), (42, 2092710), (45, 1953196), (60, 1464897), (63, 1395140), (70, 1255626), (79, 1112580), (84, 1046355), (90, 976598), (105, 837084), (126, 697570), (140, 627813), (158, 556290), (180, 488299), (210, 418542), (237, 370860), (252, 348785), (315, 279028), (316, 278145), (395, 222516), (420, 209271), (474, 185430), (553, 158940), (630, 139514), (711, 123620), (790, 111258), (883, 99540), (948, 92715), (1106, 79470), (1185, 74172), (1260, 69757), (1422, 61810), (1580, 55629), (1659, 52980), (1766, 49770), (2212, 39735), (2370, 37086), (2649, 33180), (2765, 31788), (2844, 30905), (3318, 26490), (3532, 24885), (3555, 24724), (4415, 19908), (4740, 18543), (4977, 17660), (5298, 16590), (5530, 15894), (6181, 14220), (6636, 13245), (7110, 12362), (7947, 11060), (8295, 10596), (8830, 9954)]