84328840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 216950400

約数和(自身を除く): 132621560

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 61, 68, 76, 85, 95, 107, 122, 136, 152, 170, 190, 214, 244, 305, 323, 340, 380, 428, 488, 535, 610, 646, 680, 760, 856, 1037, 1070, 1159, 1220, 1292, 1615, 1819, 2033, 2074, 2140, 2318, 2440, 2584, 3230, 3638, 4066, 4148, 4280, 4636, 5185, 5795, 6460, 6527, 7276, 8132, 8296, 9095, 9272, 10165, 10370, 11590, 12920, 13054, 14552, 16264, 18190, 19703, 20330, 20740, 23180, 26108, 32635, 34561, 36380, 39406, 40660, 41480, 46360, 52216, 65270, 69122, 72760, 78812, 81320, 98515, 110959, 124013, 130540, 138244, 157624, 172805, 197030, 221918, 248026, 261080, 276488, 345610, 394060, 443836, 496052, 554795, 620065, 691220, 788120, 887672, 992104, 1109590, 1240130, 1382440, 2108221, 2219180, 2480260, 4216442, 4438360, 4960520, 8432884, 10541105, 16865768, 21082210, 42164420, 84328840]

約数ペア:

[(1, 84328840), (2, 42164420), (4, 21082210), (5, 16865768), (8, 10541105), (10, 8432884), (17, 4960520), (19, 4438360), (20, 4216442), (34, 2480260), (38, 2219180), (40, 2108221), (61, 1382440), (68, 1240130), (76, 1109590), (85, 992104), (95, 887672), (107, 788120), (122, 691220), (136, 620065), (152, 554795), (170, 496052), (190, 443836), (214, 394060), (244, 345610), (305, 276488), (323, 261080), (340, 248026), (380, 221918), (428, 197030), (488, 172805), (535, 157624), (610, 138244), (646, 130540), (680, 124013), (760, 110959), (856, 98515), (1037, 81320), (1070, 78812), (1159, 72760), (1220, 69122), (1292, 65270), (1615, 52216), (1819, 46360), (2033, 41480), (2074, 40660), (2140, 39406), (2318, 36380), (2440, 34561), (2584, 32635), (3230, 26108), (3638, 23180), (4066, 20740), (4148, 20330), (4280, 19703), (4636, 18190), (5185, 16264), (5795, 14552), (6460, 13054), (6527, 12920), (7276, 11590), (8132, 10370), (8296, 10165), (9095, 9272)]