2021061560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{26833}}^1$

素因数の和:27120

約数の個数: 64

約数和(自身を含む): 5216529600

約数和(自身を除く): 3195468040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 1076, 1345, 1883, 2152, 2690, 3766, 5380, 7532, 9415, 10760, 15064, 18830, 26833, 37660, 53666, 75320, 107332, 134165, 187831, 214664, 268330, 375662, 536660, 751324, 939155, 1073320, 1502648, 1878310, 3756620, 7218077, 7513240, 14436154, 28872308, 36090385, 50526539, 57744616, 72180770, 101053078, 144361540, 202106156, 252632695, 288723080, 404212312, 505265390, 1010530780, 2021061560]

約数ペア:

[(1, 2021061560), (2, 1010530780), (4, 505265390), (5, 404212312), (7, 288723080), (8, 252632695), (10, 202106156), (14, 144361540), (20, 101053078), (28, 72180770), (35, 57744616), (40, 50526539), (56, 36090385), (70, 28872308), (140, 14436154), (269, 7513240), (280, 7218077), (538, 3756620), (1076, 1878310), (1345, 1502648), (1883, 1073320), (2152, 939155), (2690, 751324), (3766, 536660), (5380, 375662), (7532, 268330), (9415, 214664), (10760, 187831), (15064, 134165), (18830, 107332), (26833, 75320), (37660, 53666)]