290380720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:483

約数の個数: 160

約数和(自身を含む): 817090560

約数和(自身を除く): 526709840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 43, 56, 62, 70, 80, 86, 112, 124, 140, 155, 172, 215, 217, 248, 280, 301, 310, 344, 389, 430, 434, 496, 560, 602, 620, 688, 778, 860, 868, 1085, 1204, 1240, 1333, 1505, 1556, 1720, 1736, 1945, 2170, 2408, 2480, 2666, 2723, 3010, 3112, 3440, 3472, 3890, 4340, 4816, 5332, 5446, 6020, 6224, 6665, 7780, 8680, 9331, 10664, 10892, 12040, 12059, 13330, 13615, 15560, 16727, 17360, 18662, 21328, 21784, 24080, 24118, 26660, 27230, 31120, 33454, 37324, 43568, 46655, 48236, 53320, 54460, 60295, 66908, 74648, 83635, 84413, 93310, 96472, 106640, 108920, 117089, 120590, 133816, 149296, 167270, 168826, 186620, 192944, 217840, 234178, 241180, 267632, 334540, 337652, 373240, 422065, 468356, 482360, 518537, 585445, 669080, 675304, 746480, 844130, 936712, 964720, 1037074, 1170890, 1338160, 1350608, 1688260, 1873424, 2074148, 2341780, 2592685, 3376520, 3629759, 4148296, 4683560, 5185370, 6753040, 7259518, 8296592, 9367120, 10370740, 14519036, 18148795, 20741480, 29038072, 36297590, 41482960, 58076144, 72595180, 145190360, 290380720]

約数ペア:

[(1, 290380720), (2, 145190360), (4, 72595180), (5, 58076144), (7, 41482960), (8, 36297590), (10, 29038072), (14, 20741480), (16, 18148795), (20, 14519036), (28, 10370740), (31, 9367120), (35, 8296592), (40, 7259518), (43, 6753040), (56, 5185370), (62, 4683560), (70, 4148296), (80, 3629759), (86, 3376520), (112, 2592685), (124, 2341780), (140, 2074148), (155, 1873424), (172, 1688260), (215, 1350608), (217, 1338160), (248, 1170890), (280, 1037074), (301, 964720), (310, 936712), (344, 844130), (389, 746480), (430, 675304), (434, 669080), (496, 585445), (560, 518537), (602, 482360), (620, 468356), (688, 422065), (778, 373240), (860, 337652), (868, 334540), (1085, 267632), (1204, 241180), (1240, 234178), (1333, 217840), (1505, 192944), (1556, 186620), (1720, 168826), (1736, 167270), (1945, 149296), (2170, 133816), (2408, 120590), (2480, 117089), (2666, 108920), (2723, 106640), (3010, 96472), (3112, 93310), (3440, 84413), (3472, 83635), (3890, 74648), (4340, 66908), (4816, 60295), (5332, 54460), (5446, 53320), (6020, 48236), (6224, 46655), (6665, 43568), (7780, 37324), (8680, 33454), (9331, 31120), (10664, 27230), (10892, 26660), (12040, 24118), (12059, 24080), (13330, 21784), (13615, 21328), (15560, 18662), (16727, 17360)]