71090820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2423}}^1$

素因数の和:2601

約数の個数: 72

約数和(自身を含む): 217054656

約数和(自身を除く): 145963836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2423, 2445, 2934, 3260, 4846, 4890, 5868, 7269, 7335, 9692, 9780, 12115, 14538, 14670, 21807, 24230, 29076, 29340, 36345, 43614, 48460, 72690, 87228, 109035, 145380, 218070, 394949, 436140, 789898, 1184847, 1579796, 1974745, 2369694, 3554541, 3949490, 4739388, 5924235, 7109082, 7898980, 11848470, 14218164, 17772705, 23696940, 35545410, 71090820]

約数ペア:

[(1, 71090820), (2, 35545410), (3, 23696940), (4, 17772705), (5, 14218164), (6, 11848470), (9, 7898980), (10, 7109082), (12, 5924235), (15, 4739388), (18, 3949490), (20, 3554541), (30, 2369694), (36, 1974745), (45, 1579796), (60, 1184847), (90, 789898), (163, 436140), (180, 394949), (326, 218070), (489, 145380), (652, 109035), (815, 87228), (978, 72690), (1467, 48460), (1630, 43614), (1956, 36345), (2423, 29340), (2445, 29076), (2934, 24230), (3260, 21807), (4846, 14670), (4890, 14538), (5868, 12115), (7269, 9780), (7335, 9692)]