280784777840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3320539}}^1$

素因数の和:3320710

約数の個数: 80

約数和(自身を含む): 751026455040

約数和(自身を除く): 470241677200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1057, 1208, 1510, 2114, 2416, 3020, 4228, 5285, 6040, 8456, 10570, 12080, 16912, 21140, 42280, 84560, 3320539, 6641078, 13282156, 16602695, 23243773, 26564312, 33205390, 46487546, 53128624, 66410780, 92975092, 116218865, 132821560, 185950184, 232437730, 265643120, 371900368, 464875460, 501401389, 929750920, 1002802778, 1859501840, 2005605556, 2507006945, 3509809723, 4011211112, 5014013890, 7019619446, 8022422224, 10028027780, 14039238892, 17549048615, 20056055560, 28078477784, 35098097230, 40112111120, 56156955568, 70196194460, 140392388920, 280784777840]

約数ペア:

[(1, 280784777840), (2, 140392388920), (4, 70196194460), (5, 56156955568), (7, 40112111120), (8, 35098097230), (10, 28078477784), (14, 20056055560), (16, 17549048615), (20, 14039238892), (28, 10028027780), (35, 8022422224), (40, 7019619446), (56, 5014013890), (70, 4011211112), (80, 3509809723), (112, 2507006945), (140, 2005605556), (151, 1859501840), (280, 1002802778), (302, 929750920), (560, 501401389), (604, 464875460), (755, 371900368), (1057, 265643120), (1208, 232437730), (1510, 185950184), (2114, 132821560), (2416, 116218865), (3020, 92975092), (4228, 66410780), (5285, 53128624), (6040, 46487546), (8456, 33205390), (10570, 26564312), (12080, 23243773), (16912, 16602695), (21140, 13282156), (42280, 6641078), (84560, 3320539)]