31854420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13613}}^1$

素因数の和:13641

約数の個数: 72

約数和(自身を含む): 104065416

約数和(自身を除く): 72210996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13613, 27226, 40839, 54452, 68065, 81678, 122517, 136130, 163356, 176969, 204195, 245034, 272260, 353938, 408390, 490068, 530907, 612585, 707876, 816780, 884845, 1061814, 1225170, 1592721, 1769690, 2123628, 2450340, 2654535, 3185442, 3539380, 5309070, 6370884, 7963605, 10618140, 15927210, 31854420]

約数ペア:

[(1, 31854420), (2, 15927210), (3, 10618140), (4, 7963605), (5, 6370884), (6, 5309070), (9, 3539380), (10, 3185442), (12, 2654535), (13, 2450340), (15, 2123628), (18, 1769690), (20, 1592721), (26, 1225170), (30, 1061814), (36, 884845), (39, 816780), (45, 707876), (52, 612585), (60, 530907), (65, 490068), (78, 408390), (90, 353938), (117, 272260), (130, 245034), (156, 204195), (180, 176969), (195, 163356), (234, 136130), (260, 122517), (390, 81678), (468, 68065), (585, 54452), (780, 40839), (1170, 27226), (2340, 13613)]