16861140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 51481248

約数和(自身を除く): 34620108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 331, 566, 662, 849, 993, 1132, 1324, 1415, 1655, 1698, 1986, 2547, 2830, 2979, 3310, 3396, 3972, 4245, 4965, 5094, 5660, 5958, 6620, 8490, 9930, 10188, 11916, 12735, 14895, 16980, 19860, 25470, 29790, 50940, 59580, 93673, 187346, 281019, 374692, 468365, 562038, 843057, 936730, 1124076, 1405095, 1686114, 1873460, 2810190, 3372228, 4215285, 5620380, 8430570, 16861140]

約数ペア:

[(1, 16861140), (2, 8430570), (3, 5620380), (4, 4215285), (5, 3372228), (6, 2810190), (9, 1873460), (10, 1686114), (12, 1405095), (15, 1124076), (18, 936730), (20, 843057), (30, 562038), (36, 468365), (45, 374692), (60, 281019), (90, 187346), (180, 93673), (283, 59580), (331, 50940), (566, 29790), (662, 25470), (849, 19860), (993, 16980), (1132, 14895), (1324, 12735), (1415, 11916), (1655, 10188), (1698, 9930), (1986, 8490), (2547, 6620), (2830, 5958), (2979, 5660), (3310, 5094), (3396, 4965), (3972, 4245)]