64728540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9719}}^1$

素因数の和:9771

約数の個数: 72

約数和(自身を含む): 201670560

約数和(自身を除く): 136942020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 9719, 19438, 29157, 38876, 48595, 58314, 87471, 97190, 116628, 145785, 174942, 194380, 291570, 349884, 359603, 437355, 583140, 719206, 874710, 1078809, 1438412, 1749420, 1798015, 2157618, 3236427, 3596030, 4315236, 5394045, 6472854, 7192060, 10788090, 12945708, 16182135, 21576180, 32364270, 64728540]

約数ペア:

[(1, 64728540), (2, 32364270), (3, 21576180), (4, 16182135), (5, 12945708), (6, 10788090), (9, 7192060), (10, 6472854), (12, 5394045), (15, 4315236), (18, 3596030), (20, 3236427), (30, 2157618), (36, 1798015), (37, 1749420), (45, 1438412), (60, 1078809), (74, 874710), (90, 719206), (111, 583140), (148, 437355), (180, 359603), (185, 349884), (222, 291570), (333, 194380), (370, 174942), (444, 145785), (555, 116628), (666, 97190), (740, 87471), (1110, 58314), (1332, 48595), (1665, 38876), (2220, 29157), (3330, 19438), (6660, 9719)]