304865820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1847}}^1$

素因数の和:2000

約数の個数: 144

約数和(自身を含む): 1065512448

約数和(自身を除く): 760646628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 180, 210, 252, 262, 315, 393, 420, 524, 630, 655, 786, 917, 1179, 1260, 1310, 1572, 1834, 1847, 1965, 2358, 2620, 2751, 3668, 3694, 3930, 4585, 4716, 5502, 5541, 5895, 7388, 7860, 8253, 9170, 9235, 11004, 11082, 11790, 12929, 13755, 16506, 16623, 18340, 18470, 22164, 23580, 25858, 27510, 27705, 33012, 33246, 36940, 38787, 41265, 51716, 55020, 55410, 64645, 66492, 77574, 82530, 83115, 110820, 116361, 129290, 155148, 165060, 166230, 193935, 232722, 241957, 258580, 332460, 387870, 465444, 483914, 581805, 725871, 775740, 967828, 1163610, 1209785, 1451742, 1693699, 2177613, 2327220, 2419570, 2903484, 3387398, 3629355, 4355226, 4839140, 5081097, 6774796, 7258710, 8468495, 8710452, 10162194, 10888065, 14517420, 15243291, 16936990, 20324388, 21776130, 25405485, 30486582, 33873980, 43552260, 50810970, 60973164, 76216455, 101621940, 152432910, 304865820]

約数ペア:

[(1, 304865820), (2, 152432910), (3, 101621940), (4, 76216455), (5, 60973164), (6, 50810970), (7, 43552260), (9, 33873980), (10, 30486582), (12, 25405485), (14, 21776130), (15, 20324388), (18, 16936990), (20, 15243291), (21, 14517420), (28, 10888065), (30, 10162194), (35, 8710452), (36, 8468495), (42, 7258710), (45, 6774796), (60, 5081097), (63, 4839140), (70, 4355226), (84, 3629355), (90, 3387398), (105, 2903484), (126, 2419570), (131, 2327220), (140, 2177613), (180, 1693699), (210, 1451742), (252, 1209785), (262, 1163610), (315, 967828), (393, 775740), (420, 725871), (524, 581805), (630, 483914), (655, 465444), (786, 387870), (917, 332460), (1179, 258580), (1260, 241957), (1310, 232722), (1572, 193935), (1834, 166230), (1847, 165060), (1965, 155148), (2358, 129290), (2620, 116361), (2751, 110820), (3668, 83115), (3694, 82530), (3930, 77574), (4585, 66492), (4716, 64645), (5502, 55410), (5541, 55020), (5895, 51716), (7388, 41265), (7860, 38787), (8253, 36940), (9170, 33246), (9235, 33012), (11004, 27705), (11082, 27510), (11790, 25858), (12929, 23580), (13755, 22164), (16506, 18470), (16623, 18340)]