278356860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23081}}^1$

素因数の和:23163

約数の個数: 72

約数和(自身を含む): 856988496

約数和(自身を除く): 578631636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2412, 3015, 4020, 6030, 12060, 23081, 46162, 69243, 92324, 115405, 138486, 207729, 230810, 276972, 346215, 415458, 461620, 692430, 830916, 1038645, 1384860, 1546427, 2077290, 3092854, 4154580, 4639281, 6185708, 7732135, 9278562, 13917843, 15464270, 18557124, 23196405, 27835686, 30928540, 46392810, 55671372, 69589215, 92785620, 139178430, 278356860]

約数ペア:

[(1, 278356860), (2, 139178430), (3, 92785620), (4, 69589215), (5, 55671372), (6, 46392810), (9, 30928540), (10, 27835686), (12, 23196405), (15, 18557124), (18, 15464270), (20, 13917843), (30, 9278562), (36, 7732135), (45, 6185708), (60, 4639281), (67, 4154580), (90, 3092854), (134, 2077290), (180, 1546427), (201, 1384860), (268, 1038645), (335, 830916), (402, 692430), (603, 461620), (670, 415458), (804, 346215), (1005, 276972), (1206, 230810), (1340, 207729), (2010, 138486), (2412, 115405), (3015, 92324), (4020, 69243), (6030, 46162), (12060, 23081)]