2021140680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1295603}}^1$

素因数の和:1295630

約数の個数: 64

約数和(自身を含む): 6529844160

約数和(自身を除く): 4508703480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1295603, 2591206, 3886809, 5182412, 6478015, 7773618, 10364824, 12956030, 15547236, 16842839, 19434045, 25912060, 31094472, 33685678, 38868090, 50528517, 51824120, 67371356, 77736180, 84214195, 101057034, 134742712, 155472360, 168428390, 202114068, 252642585, 336856780, 404228136, 505285170, 673713560, 1010570340, 2021140680]

約数ペア:

[(1, 2021140680), (2, 1010570340), (3, 673713560), (4, 505285170), (5, 404228136), (6, 336856780), (8, 252642585), (10, 202114068), (12, 168428390), (13, 155472360), (15, 134742712), (20, 101057034), (24, 84214195), (26, 77736180), (30, 67371356), (39, 51824120), (40, 50528517), (52, 38868090), (60, 33685678), (65, 31094472), (78, 25912060), (104, 19434045), (120, 16842839), (130, 15547236), (156, 12956030), (195, 10364824), (260, 7773618), (312, 6478015), (390, 5182412), (520, 3886809), (780, 2591206), (1560, 1295603)]