278364780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:368

約数の個数: 144

約数和(自身を含む): 866829600

約数和(自身を除く): 588464820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 107, 149, 180, 194, 214, 291, 298, 321, 388, 428, 447, 485, 535, 582, 596, 642, 745, 873, 894, 963, 970, 1070, 1164, 1284, 1341, 1455, 1490, 1605, 1746, 1788, 1926, 1940, 2140, 2235, 2682, 2910, 2980, 3210, 3492, 3852, 4365, 4470, 4815, 5364, 5820, 6420, 6705, 8730, 8940, 9630, 10379, 13410, 14453, 15943, 17460, 19260, 20758, 26820, 28906, 31137, 31886, 41516, 43359, 47829, 51895, 57812, 62274, 63772, 72265, 79715, 86718, 93411, 95658, 103790, 124548, 130077, 143487, 144530, 155685, 159430, 173436, 186822, 191316, 207580, 216795, 239145, 260154, 286974, 289060, 311370, 318860, 373644, 433590, 467055, 478290, 520308, 573948, 622740, 650385, 717435, 867180, 934110, 956580, 1300770, 1434870, 1546471, 1868220, 2601540, 2869740, 3092942, 4639413, 6185884, 7732355, 9278826, 13918239, 15464710, 18557652, 23197065, 27836478, 30929420, 46394130, 55672956, 69591195, 92788260, 139182390, 278364780]

約数ペア:

[(1, 278364780), (2, 139182390), (3, 92788260), (4, 69591195), (5, 55672956), (6, 46394130), (9, 30929420), (10, 27836478), (12, 23197065), (15, 18557652), (18, 15464710), (20, 13918239), (30, 9278826), (36, 7732355), (45, 6185884), (60, 4639413), (90, 3092942), (97, 2869740), (107, 2601540), (149, 1868220), (180, 1546471), (194, 1434870), (214, 1300770), (291, 956580), (298, 934110), (321, 867180), (388, 717435), (428, 650385), (447, 622740), (485, 573948), (535, 520308), (582, 478290), (596, 467055), (642, 433590), (745, 373644), (873, 318860), (894, 311370), (963, 289060), (970, 286974), (1070, 260154), (1164, 239145), (1284, 216795), (1341, 207580), (1455, 191316), (1490, 186822), (1605, 173436), (1746, 159430), (1788, 155685), (1926, 144530), (1940, 143487), (2140, 130077), (2235, 124548), (2682, 103790), (2910, 95658), (2980, 93411), (3210, 86718), (3492, 79715), (3852, 72265), (4365, 63772), (4470, 62274), (4815, 57812), (5364, 51895), (5820, 47829), (6420, 43359), (6705, 41516), (8730, 31886), (8940, 31137), (9630, 28906), (10379, 26820), (13410, 20758), (14453, 19260), (15943, 17460)]