91788780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89989}}^1$

素因数の和:90018

約数の個数: 48

約数和(自身を含む): 272129760

約数和(自身を除く): 180340980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 89989, 179978, 269967, 359956, 449945, 539934, 899890, 1079868, 1349835, 1529813, 1799780, 2699670, 3059626, 4589439, 5399340, 6119252, 7649065, 9178878, 15298130, 18357756, 22947195, 30596260, 45894390, 91788780]

約数ペア:

[(1, 91788780), (2, 45894390), (3, 30596260), (4, 22947195), (5, 18357756), (6, 15298130), (10, 9178878), (12, 7649065), (15, 6119252), (17, 5399340), (20, 4589439), (30, 3059626), (34, 2699670), (51, 1799780), (60, 1529813), (68, 1349835), (85, 1079868), (102, 899890), (170, 539934), (204, 449945), (255, 359956), (340, 269967), (510, 179978), (1020, 89989)]