208308360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1993}}^1$

素因数の和:2087

約数の個数: 128

約数和(自身を含む): 683383680

約数和(自身を除く): 475075320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 670, 780, 804, 871, 1005, 1340, 1560, 1608, 1742, 1993, 2010, 2613, 2680, 3484, 3986, 4020, 4355, 5226, 5979, 6968, 7972, 8040, 8710, 9965, 10452, 11958, 13065, 15944, 17420, 19930, 20904, 23916, 25909, 26130, 29895, 34840, 39860, 47832, 51818, 52260, 59790, 77727, 79720, 103636, 104520, 119580, 129545, 133531, 155454, 207272, 239160, 259090, 267062, 310908, 388635, 400593, 518180, 534124, 621816, 667655, 777270, 801186, 1036360, 1068248, 1335310, 1554540, 1602372, 1735903, 2002965, 2670620, 3109080, 3204744, 3471806, 4005930, 5207709, 5341240, 6943612, 8011860, 8679515, 10415418, 13887224, 16023720, 17359030, 20830836, 26038545, 34718060, 41661672, 52077090, 69436120, 104154180, 208308360]

約数ペア:

[(1, 208308360), (2, 104154180), (3, 69436120), (4, 52077090), (5, 41661672), (6, 34718060), (8, 26038545), (10, 20830836), (12, 17359030), (13, 16023720), (15, 13887224), (20, 10415418), (24, 8679515), (26, 8011860), (30, 6943612), (39, 5341240), (40, 5207709), (52, 4005930), (60, 3471806), (65, 3204744), (67, 3109080), (78, 2670620), (104, 2002965), (120, 1735903), (130, 1602372), (134, 1554540), (156, 1335310), (195, 1068248), (201, 1036360), (260, 801186), (268, 777270), (312, 667655), (335, 621816), (390, 534124), (402, 518180), (520, 400593), (536, 388635), (670, 310908), (780, 267062), (804, 259090), (871, 239160), (1005, 207272), (1340, 155454), (1560, 133531), (1608, 129545), (1742, 119580), (1993, 104520), (2010, 103636), (2613, 79720), (2680, 77727), (3484, 59790), (3986, 52260), (4020, 51818), (4355, 47832), (5226, 39860), (5979, 34840), (6968, 29895), (7972, 26130), (8040, 25909), (8710, 23916), (9965, 20904), (10452, 19930), (11958, 17420), (13065, 15944)]