73964540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 170936640

約数和(自身を除く): 96972100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 169, 260, 277, 316, 338, 395, 554, 676, 790, 845, 1027, 1108, 1385, 1580, 1690, 2054, 2770, 3380, 3601, 4108, 5135, 5540, 7202, 10270, 13351, 14404, 18005, 20540, 21883, 26702, 36010, 43766, 46813, 53404, 66755, 72020, 87532, 93626, 109415, 133510, 187252, 218830, 234065, 267020, 284479, 437660, 468130, 568958, 936260, 1137916, 1422395, 2844790, 3698227, 5689580, 7396454, 14792908, 18491135, 36982270, 73964540]

約数ペア:

[(1, 73964540), (2, 36982270), (4, 18491135), (5, 14792908), (10, 7396454), (13, 5689580), (20, 3698227), (26, 2844790), (52, 1422395), (65, 1137916), (79, 936260), (130, 568958), (158, 468130), (169, 437660), (260, 284479), (277, 267020), (316, 234065), (338, 218830), (395, 187252), (554, 133510), (676, 109415), (790, 93626), (845, 87532), (1027, 72020), (1108, 66755), (1385, 53404), (1580, 46813), (1690, 43766), (2054, 36010), (2770, 26702), (3380, 21883), (3601, 20540), (4108, 18005), (5135, 14404), (5540, 13351), (7202, 10270)]