161560840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2659}}^1$

素因数の和:2715

約数の個数: 96

約数和(自身を含む): 436665600

約数和(自身を除く): 275104760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2659, 3038, 4340, 5318, 6076, 7595, 8680, 10636, 12152, 13295, 15190, 18613, 21272, 26590, 30380, 37226, 53180, 60760, 74452, 82429, 93065, 106360, 130291, 148904, 164858, 186130, 260582, 329716, 372260, 412145, 521164, 577003, 651455, 659432, 744520, 824290, 1042328, 1154006, 1302910, 1648580, 2308012, 2605820, 2885015, 3297160, 4039021, 4616024, 5211640, 5770030, 8078042, 11540060, 16156084, 20195105, 23080120, 32312168, 40390210, 80780420, 161560840]

約数ペア:

[(1, 161560840), (2, 80780420), (4, 40390210), (5, 32312168), (7, 23080120), (8, 20195105), (10, 16156084), (14, 11540060), (20, 8078042), (28, 5770030), (31, 5211640), (35, 4616024), (40, 4039021), (49, 3297160), (56, 2885015), (62, 2605820), (70, 2308012), (98, 1648580), (124, 1302910), (140, 1154006), (155, 1042328), (196, 824290), (217, 744520), (245, 659432), (248, 651455), (280, 577003), (310, 521164), (392, 412145), (434, 372260), (490, 329716), (620, 260582), (868, 186130), (980, 164858), (1085, 148904), (1240, 130291), (1519, 106360), (1736, 93065), (1960, 82429), (2170, 74452), (2659, 60760), (3038, 53180), (4340, 37226), (5318, 30380), (6076, 26590), (7595, 21272), (8680, 18613), (10636, 15190), (12152, 13295)]