215076780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1223}}^1$

素因数の和:2215

約数の個数: 72

約数和(自身を含む): 653601312

約数和(自身を除く): 438524532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 977, 1223, 1954, 2446, 2931, 3669, 3908, 4885, 4892, 5862, 6115, 7338, 8793, 9770, 11007, 11724, 12230, 14655, 14676, 17586, 18345, 19540, 22014, 24460, 29310, 35172, 36690, 43965, 44028, 55035, 58620, 73380, 87930, 110070, 175860, 220140, 1194871, 2389742, 3584613, 4779484, 5974355, 7169226, 10753839, 11948710, 14338452, 17923065, 21507678, 23897420, 35846130, 43015356, 53769195, 71692260, 107538390, 215076780]

約数ペア:

[(1, 215076780), (2, 107538390), (3, 71692260), (4, 53769195), (5, 43015356), (6, 35846130), (9, 23897420), (10, 21507678), (12, 17923065), (15, 14338452), (18, 11948710), (20, 10753839), (30, 7169226), (36, 5974355), (45, 4779484), (60, 3584613), (90, 2389742), (180, 1194871), (977, 220140), (1223, 175860), (1954, 110070), (2446, 87930), (2931, 73380), (3669, 58620), (3908, 55035), (4885, 44028), (4892, 43965), (5862, 36690), (6115, 35172), (7338, 29310), (8793, 24460), (9770, 22014), (11007, 19540), (11724, 18345), (12230, 17586), (14655, 14676)]