278310780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{383}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 925876224

約数和(自身を除く): 647565444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 367, 383, 396, 495, 660, 734, 766, 990, 1101, 1149, 1468, 1532, 1835, 1915, 1980, 2202, 2298, 3303, 3447, 3670, 3830, 4037, 4213, 4404, 4596, 5505, 5745, 6606, 6894, 7340, 7660, 8074, 8426, 11010, 11490, 12111, 12639, 13212, 13788, 16148, 16515, 16852, 17235, 20185, 21065, 22020, 22980, 24222, 25278, 33030, 34470, 36333, 37917, 40370, 42130, 48444, 50556, 60555, 63195, 66060, 68940, 72666, 75834, 80740, 84260, 121110, 126390, 140561, 145332, 151668, 181665, 189585, 242220, 252780, 281122, 363330, 379170, 421683, 562244, 702805, 726660, 758340, 843366, 1265049, 1405610, 1546171, 1686732, 2108415, 2530098, 2811220, 3092342, 4216830, 4638513, 5060196, 6184684, 6325245, 7730855, 8433660, 9277026, 12650490, 13915539, 15461710, 18554052, 23192565, 25300980, 27831078, 30923420, 46385130, 55662156, 69577695, 92770260, 139155390, 278310780]

約数ペア:

[(1, 278310780), (2, 139155390), (3, 92770260), (4, 69577695), (5, 55662156), (6, 46385130), (9, 30923420), (10, 27831078), (11, 25300980), (12, 23192565), (15, 18554052), (18, 15461710), (20, 13915539), (22, 12650490), (30, 9277026), (33, 8433660), (36, 7730855), (44, 6325245), (45, 6184684), (55, 5060196), (60, 4638513), (66, 4216830), (90, 3092342), (99, 2811220), (110, 2530098), (132, 2108415), (165, 1686732), (180, 1546171), (198, 1405610), (220, 1265049), (330, 843366), (367, 758340), (383, 726660), (396, 702805), (495, 562244), (660, 421683), (734, 379170), (766, 363330), (990, 281122), (1101, 252780), (1149, 242220), (1468, 189585), (1532, 181665), (1835, 151668), (1915, 145332), (1980, 140561), (2202, 126390), (2298, 121110), (3303, 84260), (3447, 80740), (3670, 75834), (3830, 72666), (4037, 68940), (4213, 66060), (4404, 63195), (4596, 60555), (5505, 50556), (5745, 48444), (6606, 42130), (6894, 40370), (7340, 37917), (7660, 36333), (8074, 34470), (8426, 33030), (11010, 25278), (11490, 24222), (12111, 22980), (12639, 22020), (13212, 21065), (13788, 20185), (16148, 17235), (16515, 16852)]